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Finding the Fourth Proportional to 66,773.25, 92,147.36 and 36,561.38

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Solution

The fourth proportional to 66,773.25, 92,147.36 and 36,561.38 is: 50,454.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,773.25 : 92,147.36 = 36,561.38 : x
  2. Step 2: Convert to fraction form
    66,773.25/92,147.36 = 36,561.38/x
  3. Step 3: Cross multiply
    66,773.25x = 92,147.36 × 36,561.38
  4. Step 4: Simplify right side
    66,773.25x = 3,369,034,001.41
  5. Step 5: Solve for x
    x = 3,369,034,001.41/66,773.25
  6. Step 6: Final answer
    x = 50,454.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.