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Finding the Fourth Proportional to 61,229.55, 91,826.92 and 23,781.63

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Solution

The fourth proportional to 61,229.55, 91,826.92 and 23,781.63 is: 35,665.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,229.55 : 91,826.92 = 23,781.63 : x
  2. Step 2: Convert to fraction form
    61,229.55/91,826.92 = 23,781.63/x
  3. Step 3: Cross multiply
    61,229.55x = 91,826.92 × 23,781.63
  4. Step 4: Simplify right side
    61,229.55x = 2,183,793,716.57
  5. Step 5: Solve for x
    x = 2,183,793,716.57/61,229.55
  6. Step 6: Final answer
    x = 35,665.68

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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.