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Finding the Fourth Proportional to 20,042.48, 30,073.14 and 8,948.16

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Solution

The fourth proportional to 20,042.48, 30,073.14 and 8,948.16 is: 13,426.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,042.48 : 30,073.14 = 8,948.16 : x
  2. Step 2: Convert to fraction form
    20,042.48/30,073.14 = 8,948.16/x
  3. Step 3: Cross multiply
    20,042.48x = 30,073.14 × 8,948.16
  4. Step 4: Simplify right side
    20,042.48x = 269,099,268.42
  5. Step 5: Solve for x
    x = 269,099,268.42/20,042.48
  6. Step 6: Final answer
    x = 13,426.45

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.