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Finding the Fourth Proportional to 29,531.73, 40,761.05 and 22,807.11

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Solution

The fourth proportional to 29,531.73, 40,761.05 and 22,807.11 is: 31,479.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,531.73 : 40,761.05 = 22,807.11 : x
  2. Step 2: Convert to fraction form
    29,531.73/40,761.05 = 22,807.11/x
  3. Step 3: Cross multiply
    29,531.73x = 40,761.05 × 22,807.11
  4. Step 4: Simplify right side
    29,531.73x = 929,641,637.03
  5. Step 5: Solve for x
    x = 929,641,637.03/29,531.73
  6. Step 6: Final answer
    x = 31,479.42

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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.