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Finding the Fourth Proportional to 16,560.70, 22,854.00 and 9,487.13

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Solution

The fourth proportional to 16,560.70, 22,854.00 and 9,487.13 is: 13,092.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,560.70 : 22,854.00 = 9,487.13 : x
  2. Step 2: Convert to fraction form
    16,560.70/22,854.00 = 9,487.13/x
  3. Step 3: Cross multiply
    16,560.70x = 22,854.00 × 9,487.13
  4. Step 4: Simplify right side
    16,560.70x = 216,818,736.96
  5. Step 5: Solve for x
    x = 216,818,736.96/16,560.70
  6. Step 6: Final answer
    x = 13,092.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.