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Finding the Fourth Proportional to 10,472.30, 15,710.69 and 3,452.03

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Solution

The fourth proportional to 10,472.30, 15,710.69 and 3,452.03 is: 5,178.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,472.30 : 15,710.69 = 3,452.03 : x
  2. Step 2: Convert to fraction form
    10,472.30/15,710.69 = 3,452.03/x
  3. Step 3: Cross multiply
    10,472.30x = 15,710.69 × 3,452.03
  4. Step 4: Simplify right side
    10,472.30x = 54,233,821.11
  5. Step 5: Solve for x
    x = 54,233,821.11/10,472.30
  6. Step 6: Final answer
    x = 5,178.79

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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.