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Finding the Fourth Proportional to 40,076.32, 55,301.84 and 22,171.04

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Solution

The fourth proportional to 40,076.32, 55,301.84 and 22,171.04 is: 30,594.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,076.32 : 55,301.84 = 22,171.04 : x
  2. Step 2: Convert to fraction form
    40,076.32/55,301.84 = 22,171.04/x
  3. Step 3: Cross multiply
    40,076.32x = 55,301.84 × 22,171.04
  4. Step 4: Simplify right side
    40,076.32x = 1,226,099,306.71
  5. Step 5: Solve for x
    x = 1,226,099,306.71/40,076.32
  6. Step 6: Final answer
    x = 30,594.11

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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.