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Finding the Fourth Proportional to 10,398.24, 15,598.20 and 3,472.76

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Solution

The fourth proportional to 10,398.24, 15,598.20 and 3,472.76 is: 5,209.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,398.24 : 15,598.20 = 3,472.76 : x
  2. Step 2: Convert to fraction form
    10,398.24/15,598.20 = 3,472.76/x
  3. Step 3: Cross multiply
    10,398.24x = 15,598.20 × 3,472.76
  4. Step 4: Simplify right side
    10,398.24x = 54,168,805.03
  5. Step 5: Solve for x
    x = 54,168,805.03/10,398.24
  6. Step 6: Final answer
    x = 5,209.42

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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.