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Finding the Fourth Proportional to 61,593.60, 85,017.60 and 39,244.80

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Solution

The fourth proportional to 61,593.60, 85,017.60 and 39,244.80 is: 54,169.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,593.60 : 85,017.60 = 39,244.80 : x
  2. Step 2: Convert to fraction form
    61,593.60/85,017.60 = 39,244.80/x
  3. Step 3: Cross multiply
    61,593.60x = 85,017.60 × 39,244.80
  4. Step 4: Simplify right side
    61,593.60x = 3,336,498,708.48
  5. Step 5: Solve for x
    x = 3,336,498,708.48/61,593.60
  6. Step 6: Final answer
    x = 54,169.57

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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.