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Finding the Fourth Proportional to 29,572.92, 40,810.50 and 16,144.17

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Solution

The fourth proportional to 29,572.92, 40,810.50 and 16,144.17 is: 22,278.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,572.92 : 40,810.50 = 16,144.17 : x
  2. Step 2: Convert to fraction form
    29,572.92/40,810.50 = 16,144.17/x
  3. Step 3: Cross multiply
    29,572.92x = 40,810.50 × 16,144.17
  4. Step 4: Simplify right side
    29,572.92x = 658,851,649.79
  5. Step 5: Solve for x
    x = 658,851,649.79/29,572.92
  6. Step 6: Final answer
    x = 22,278.88

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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.