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Finding the Fourth Proportional to 12,866.92, 19,300.84 and 4,433.38

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Solution

The fourth proportional to 12,866.92, 19,300.84 and 4,433.38 is: 6,650.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,866.92 : 19,300.84 = 4,433.38 : x
  2. Step 2: Convert to fraction form
    12,866.92/19,300.84 = 4,433.38/x
  3. Step 3: Cross multiply
    12,866.92x = 19,300.84 × 4,433.38
  4. Step 4: Simplify right side
    12,866.92x = 85,567,958.04
  5. Step 5: Solve for x
    x = 85,567,958.04/12,866.92
  6. Step 6: Final answer
    x = 6,650.23

Related Problems

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Half scale
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Double scale
Find fourth proportional to 12,867.92, 19,302.34 and 4,434.38
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.