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Finding the Fourth Proportional to 66,773.76, 92,152.23 and 38,481.27

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Solution

The fourth proportional to 66,773.76, 92,152.23 and 38,481.27 is: 53,106.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,773.76 : 92,152.23 = 38,481.27 : x
  2. Step 2: Convert to fraction form
    66,773.76/92,152.23 = 38,481.27/x
  3. Step 3: Cross multiply
    66,773.76x = 92,152.23 × 38,481.27
  4. Step 4: Simplify right side
    66,773.76x = 3,546,134,843.73
  5. Step 5: Solve for x
    x = 3,546,134,843.73/66,773.76
  6. Step 6: Final answer
    x = 53,106.71

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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.