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Finding the Fourth Proportional to 31,752.32, 43,787.04 and 29,240.96

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Solution

The fourth proportional to 31,752.32, 43,787.04 and 29,240.96 is: 40,323.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,752.32 : 43,787.04 = 29,240.96 : x
  2. Step 2: Convert to fraction form
    31,752.32/43,787.04 = 29,240.96/x
  3. Step 3: Cross multiply
    31,752.32x = 43,787.04 × 29,240.96
  4. Step 4: Simplify right side
    31,752.32x = 1,280,375,085.16
  5. Step 5: Solve for x
    x = 1,280,375,085.16/31,752.32
  6. Step 6: Final answer
    x = 40,323.83

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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.