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Finding the Fourth Proportional to 29,545.20, 40,773.40 and 16,117.20

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Solution

The fourth proportional to 29,545.20, 40,773.40 and 16,117.20 is: 22,242.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,545.20 : 40,773.40 = 16,117.20 : x
  2. Step 2: Convert to fraction form
    29,545.20/40,773.40 = 16,117.20/x
  3. Step 3: Cross multiply
    29,545.20x = 40,773.40 × 16,117.20
  4. Step 4: Simplify right side
    29,545.20x = 657,153,042.48
  5. Step 5: Solve for x
    x = 657,153,042.48/29,545.20
  6. Step 6: Final answer
    x = 22,242.29

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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.