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Finding the Fourth Proportional to 40,502.18, 55,892.20 and 22,354.60

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Solution

The fourth proportional to 40,502.18, 55,892.20 and 22,354.60 is: 30,848.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,502.18 : 55,892.20 = 22,354.60 : x
  2. Step 2: Convert to fraction form
    40,502.18/55,892.20 = 22,354.60/x
  3. Step 3: Cross multiply
    40,502.18x = 55,892.20 × 22,354.60
  4. Step 4: Simplify right side
    40,502.18x = 1,249,447,774.12
  5. Step 5: Solve for x
    x = 1,249,447,774.12/40,502.18
  6. Step 6: Final answer
    x = 30,848.90

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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.