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Finding the Fourth Proportional to 6,250.60, 9,375.90 and 5,624.20

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Solution

The fourth proportional to 6,250.60, 9,375.90 and 5,624.20 is: 8,436.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,250.60 : 9,375.90 = 5,624.20 : x
  2. Step 2: Convert to fraction form
    6,250.60/9,375.90 = 5,624.20/x
  3. Step 3: Cross multiply
    6,250.60x = 9,375.90 × 5,624.20
  4. Step 4: Simplify right side
    6,250.60x = 52,731,936.78
  5. Step 5: Solve for x
    x = 52,731,936.78/6,250.60
  6. Step 6: Final answer
    x = 8,436.30

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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.