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Finding the Fourth Proportional to 39,750.90, 59,622.68 and 13,452.62

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Solution

The fourth proportional to 39,750.90, 59,622.68 and 13,452.62 is: 20,177.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,750.90 : 59,622.68 = 13,452.62 : x
  2. Step 2: Convert to fraction form
    39,750.90/59,622.68 = 13,452.62/x
  3. Step 3: Cross multiply
    39,750.90x = 59,622.68 × 13,452.62
  4. Step 4: Simplify right side
    39,750.90x = 802,081,257.42
  5. Step 5: Solve for x
    x = 802,081,257.42/39,750.90
  6. Step 6: Final answer
    x = 20,177.69

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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.