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Finding the Fourth Proportional to 10,474.60, 15,712.80 and 3,452.52

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Solution

The fourth proportional to 10,474.60, 15,712.80 and 3,452.52 is: 5,179.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,474.60 : 15,712.80 = 3,452.52 : x
  2. Step 2: Convert to fraction form
    10,474.60/15,712.80 = 3,452.52/x
  3. Step 3: Cross multiply
    10,474.60x = 15,712.80 × 3,452.52
  4. Step 4: Simplify right side
    10,474.60x = 54,248,756.26
  5. Step 5: Solve for x
    x = 54,248,756.26/10,474.60
  6. Step 6: Final answer
    x = 5,179.08

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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.