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Finding the Fourth Proportional to 8,593.60, 11,858.88 and 6,494.08

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Solution

The fourth proportional to 8,593.60, 11,858.88 and 6,494.08 is: 8,961.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,593.60 : 11,858.88 = 6,494.08 : x
  2. Step 2: Convert to fraction form
    8,593.60/11,858.88 = 6,494.08/x
  3. Step 3: Cross multiply
    8,593.60x = 11,858.88 × 6,494.08
  4. Step 4: Simplify right side
    8,593.60x = 77,012,515.43
  5. Step 5: Solve for x
    x = 77,012,515.43/8,593.60
  6. Step 6: Final answer
    x = 8,961.61

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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.