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Finding the Fourth Proportional to 8,720.74, 12,033.39 and 6,593.14

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Solution

The fourth proportional to 8,720.74, 12,033.39 and 6,593.14 is: 9,097.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,720.74 : 12,033.39 = 6,593.14 : x
  2. Step 2: Convert to fraction form
    8,720.74/12,033.39 = 6,593.14/x
  3. Step 3: Cross multiply
    8,720.74x = 12,033.39 × 6,593.14
  4. Step 4: Simplify right side
    8,720.74x = 79,337,824.94
  5. Step 5: Solve for x
    x = 79,337,824.94/8,720.74
  6. Step 6: Final answer
    x = 9,097.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.