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Finding the Fourth Proportional to 8,538.64, 12,807.96 and 6,593.68

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Solution

The fourth proportional to 8,538.64, 12,807.96 and 6,593.68 is: 9,890.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,538.64 : 12,807.96 = 6,593.68 : x
  2. Step 2: Convert to fraction form
    8,538.64/12,807.96 = 6,593.68/x
  3. Step 3: Cross multiply
    8,538.64x = 12,807.96 × 6,593.68
  4. Step 4: Simplify right side
    8,538.64x = 84,451,589.69
  5. Step 5: Solve for x
    x = 84,451,589.69/8,538.64
  6. Step 6: Final answer
    x = 9,890.52

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Similar ratio
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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.