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Finding the Fourth Proportional to 66,480.84, 99,487.23 and 41,532.66

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Solution

The fourth proportional to 66,480.84, 99,487.23 and 41,532.66 is: 62,152.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,480.84 : 99,487.23 = 41,532.66 : x
  2. Step 2: Convert to fraction form
    66,480.84/99,487.23 = 41,532.66/x
  3. Step 3: Cross multiply
    66,480.84x = 99,487.23 × 41,532.66
  4. Step 4: Simplify right side
    66,480.84x = 4,131,969,297.93
  5. Step 5: Solve for x
    x = 4,131,969,297.93/66,480.84
  6. Step 6: Final answer
    x = 62,152.78

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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.