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Finding the Fourth Proportional to 29,237.91, 40,348.10 and 22,871.01

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Solution

The fourth proportional to 29,237.91, 40,348.10 and 22,871.01 is: 31,561.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,237.91 : 40,348.10 = 22,871.01 : x
  2. Step 2: Convert to fraction form
    29,237.91/40,348.10 = 22,871.01/x
  3. Step 3: Cross multiply
    29,237.91x = 40,348.10 × 22,871.01
  4. Step 4: Simplify right side
    29,237.91x = 922,801,715.78
  5. Step 5: Solve for x
    x = 922,801,715.78/29,237.91
  6. Step 6: Final answer
    x = 31,561.82

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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.