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Finding the Fourth Proportional to 40,372.47, 55,713.61 and 22,467.17

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Solution

The fourth proportional to 40,372.47, 55,713.61 and 22,467.17 is: 31,004.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,372.47 : 55,713.61 = 22,467.17 : x
  2. Step 2: Convert to fraction form
    40,372.47/55,713.61 = 22,467.17/x
  3. Step 3: Cross multiply
    40,372.47x = 55,713.61 × 22,467.17
  4. Step 4: Simplify right side
    40,372.47x = 1,251,727,147.18
  5. Step 5: Solve for x
    x = 1,251,727,147.18/40,372.47
  6. Step 6: Final answer
    x = 31,004.47

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.