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Finding the Fourth Proportional to 10,372.96, 15,562 and 3,447.52

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Solution

The fourth proportional to 10,372.96, 15,562 and 3,447.52 is: 5,172.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,372.96 : 15,562 = 3,447.52 : x
  2. Step 2: Convert to fraction form
    10,372.96/15,562 = 3,447.52/x
  3. Step 3: Cross multiply
    10,372.96x = 15,562 × 3,447.52
  4. Step 4: Simplify right side
    10,372.96x = 53,650,306.24
  5. Step 5: Solve for x
    x = 53,650,306.24/10,372.96
  6. Step 6: Final answer
    x = 5,172.13

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Why These Related Problems?

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