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Finding the Fourth Proportional to 61,517.60, 84,906.06 and 36,029.60

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Solution

The fourth proportional to 61,517.60, 84,906.06 and 36,029.60 is: 49,727.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,517.60 : 84,906.06 = 36,029.60 : x
  2. Step 2: Convert to fraction form
    61,517.60/84,906.06 = 36,029.60/x
  3. Step 3: Cross multiply
    61,517.60x = 84,906.06 × 36,029.60
  4. Step 4: Simplify right side
    61,517.60x = 3,059,131,379.38
  5. Step 5: Solve for x
    x = 3,059,131,379.38/61,517.60
  6. Step 6: Final answer
    x = 49,727.74

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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.