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Finding the Fourth Proportional to 85,091.61, 127,627.70 and 22,766.97

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Solution

The fourth proportional to 85,091.61, 127,627.70 and 22,766.97 is: 34,147.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,091.61 : 127,627.70 = 22,766.97 : x
  2. Step 2: Convert to fraction form
    85,091.61/127,627.70 = 22,766.97/x
  3. Step 3: Cross multiply
    85,091.61x = 127,627.70 × 22,766.97
  4. Step 4: Simplify right side
    85,091.61x = 2,905,695,903.23
  5. Step 5: Solve for x
    x = 2,905,695,903.23/85,091.61
  6. Step 6: Final answer
    x = 34,147.85

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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.