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Finding the Fourth Proportional to 66,537.20, 99,805.80 and 62,600.60

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Solution

The fourth proportional to 66,537.20, 99,805.80 and 62,600.60 is: 93,900.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,537.20 : 99,805.80 = 62,600.60 : x
  2. Step 2: Convert to fraction form
    66,537.20/99,805.80 = 62,600.60/x
  3. Step 3: Cross multiply
    66,537.20x = 99,805.80 × 62,600.60
  4. Step 4: Simplify right side
    66,537.20x = 6,247,902,963.48
  5. Step 5: Solve for x
    x = 6,247,902,963.48/66,537.20
  6. Step 6: Final answer
    x = 93,900.90

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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.