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Finding the Fourth Proportional to 10,866.83, 16,300.25 and 6,995.84

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Solution

The fourth proportional to 10,866.83, 16,300.25 and 6,995.84 is: 10,493.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,866.83 : 16,300.25 = 6,995.84 : x
  2. Step 2: Convert to fraction form
    10,866.83/16,300.25 = 6,995.84/x
  3. Step 3: Cross multiply
    10,866.83x = 16,300.25 × 6,995.84
  4. Step 4: Simplify right side
    10,866.83x = 114,033,940.96
  5. Step 5: Solve for x
    x = 114,033,940.96/10,866.83
  6. Step 6: Final answer
    x = 10,493.76

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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.