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Finding the Fourth Proportional to 66,518.67, 99,778.02 and 44,375.31

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Solution

The fourth proportional to 66,518.67, 99,778.02 and 44,375.31 is: 66,562.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,518.67 : 99,778.02 = 44,375.31 : x
  2. Step 2: Convert to fraction form
    66,518.67/99,778.02 = 44,375.31/x
  3. Step 3: Cross multiply
    66,518.67x = 99,778.02 × 44,375.31
  4. Step 4: Simplify right side
    66,518.67x = 4,427,680,568.69
  5. Step 5: Solve for x
    x = 4,427,680,568.69/66,518.67
  6. Step 6: Final answer
    x = 66,562.98

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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.