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Finding the Fourth Proportional to 12,797.31, 19,195.97 and 5,000.66

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Solution

The fourth proportional to 12,797.31, 19,195.97 and 5,000.66 is: 7,500.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,797.31 : 19,195.97 = 5,000.66 : x
  2. Step 2: Convert to fraction form
    12,797.31/19,195.97 = 5,000.66/x
  3. Step 3: Cross multiply
    12,797.31x = 19,195.97 × 5,000.66
  4. Step 4: Simplify right side
    12,797.31x = 95,992,519.34
  5. Step 5: Solve for x
    x = 95,992,519.34/12,797.31
  6. Step 6: Final answer
    x = 7,500.99

Related Problems

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Half scale
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Double scale
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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.