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Finding the Fourth Proportional to 66,902.46, 100,340.88 and 33,613.29

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Solution

The fourth proportional to 66,902.46, 100,340.88 and 33,613.29 is: 50,413.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,902.46 : 100,340.88 = 33,613.29 : x
  2. Step 2: Convert to fraction form
    66,902.46/100,340.88 = 33,613.29/x
  3. Step 3: Cross multiply
    66,902.46x = 100,340.88 × 33,613.29
  4. Step 4: Simplify right side
    66,902.46x = 3,372,787,098.30
  5. Step 5: Solve for x
    x = 3,372,787,098.30/66,902.46
  6. Step 6: Final answer
    x = 50,413.50

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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.