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Finding the Fourth Proportional to 39,242.28, 54,166.02 and 22,486.44

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Solution

The fourth proportional to 39,242.28, 54,166.02 and 22,486.44 is: 31,037.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,242.28 : 54,166.02 = 22,486.44 : x
  2. Step 2: Convert to fraction form
    39,242.28/54,166.02 = 22,486.44/x
  3. Step 3: Cross multiply
    39,242.28x = 54,166.02 × 22,486.44
  4. Step 4: Simplify right side
    39,242.28x = 1,218,000,958.77
  5. Step 5: Solve for x
    x = 1,218,000,958.77/39,242.28
  6. Step 6: Final answer
    x = 31,037.98

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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.