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Finding the Fourth Proportional to 45,452.70, 68,211.45 and 25,710.30

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Solution

The fourth proportional to 45,452.70, 68,211.45 and 25,710.30 is: 38,583.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,452.70 : 68,211.45 = 25,710.30 : x
  2. Step 2: Convert to fraction form
    45,452.70/68,211.45 = 25,710.30/x
  3. Step 3: Cross multiply
    45,452.70x = 68,211.45 × 25,710.30
  4. Step 4: Simplify right side
    45,452.70x = 1,753,736,842.94
  5. Step 5: Solve for x
    x = 1,753,736,842.94/45,452.70
  6. Step 6: Final answer
    x = 38,583.78

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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.