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Finding the Fourth Proportional to 8,375.10, 12,562.65 and 7,062.90

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Solution

The fourth proportional to 8,375.10, 12,562.65 and 7,062.90 is: 10,594.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,375.10 : 12,562.65 = 7,062.90 : x
  2. Step 2: Convert to fraction form
    8,375.10/12,562.65 = 7,062.90/x
  3. Step 3: Cross multiply
    8,375.10x = 12,562.65 × 7,062.90
  4. Step 4: Simplify right side
    8,375.10x = 88,728,740.69
  5. Step 5: Solve for x
    x = 88,728,740.69/8,375.10
  6. Step 6: Final answer
    x = 10,594.35

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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.