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Finding the Fourth Proportional to 6,593.28, 9,889.92 and 5,613.12

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Solution

The fourth proportional to 6,593.28, 9,889.92 and 5,613.12 is: 8,419.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,593.28 : 9,889.92 = 5,613.12 : x
  2. Step 2: Convert to fraction form
    6,593.28/9,889.92 = 5,613.12/x
  3. Step 3: Cross multiply
    6,593.28x = 9,889.92 × 5,613.12
  4. Step 4: Simplify right side
    6,593.28x = 55,513,307.75
  5. Step 5: Solve for x
    x = 55,513,307.75/6,593.28
  6. Step 6: Final answer
    x = 8,419.68

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Half scale
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Double scale
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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.