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Finding the Fourth Proportional to 10,398.38, 15,597.56 and 3,472.88

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Solution

The fourth proportional to 10,398.38, 15,597.56 and 3,472.88 is: 5,209.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,398.38 : 15,597.56 = 3,472.88 : x
  2. Step 2: Convert to fraction form
    10,398.38/15,597.56 = 3,472.88/x
  3. Step 3: Cross multiply
    10,398.38x = 15,597.56 × 3,472.88
  4. Step 4: Simplify right side
    10,398.38x = 54,168,384.87
  5. Step 5: Solve for x
    x = 54,168,384.87/10,398.38
  6. Step 6: Final answer
    x = 5,209.31

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1.5x scale

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.