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Finding the Fourth Proportional to 29,047.92, 40,086.06 and 16,472.64

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Solution

The fourth proportional to 29,047.92, 40,086.06 and 16,472.64 is: 22,732.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,047.92 : 40,086.06 = 16,472.64 : x
  2. Step 2: Convert to fraction form
    29,047.92/40,086.06 = 16,472.64/x
  3. Step 3: Cross multiply
    29,047.92x = 40,086.06 × 16,472.64
  4. Step 4: Simplify right side
    29,047.92x = 660,323,235.40
  5. Step 5: Solve for x
    x = 660,323,235.40/29,047.92
  6. Step 6: Final answer
    x = 22,732.20

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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.