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Finding the Fourth Proportional to 13,377.98, 20,067.17 and 6,358.71

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Solution

The fourth proportional to 13,377.98, 20,067.17 and 6,358.71 is: 9,538.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,377.98 : 20,067.17 = 6,358.71 : x
  2. Step 2: Convert to fraction form
    13,377.98/20,067.17 = 6,358.71/x
  3. Step 3: Cross multiply
    13,377.98x = 20,067.17 × 6,358.71
  4. Step 4: Simplify right side
    13,377.98x = 127,601,314.55
  5. Step 5: Solve for x
    x = 127,601,314.55/13,377.98
  6. Step 6: Final answer
    x = 9,538.16

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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.