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Finding the Fourth Proportional to 27,963.60, 42,042.60 and 23,686.80

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Solution

The fourth proportional to 27,963.60, 42,042.60 and 23,686.80 is: 35,612.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,963.60 : 42,042.60 = 23,686.80 : x
  2. Step 2: Convert to fraction form
    27,963.60/42,042.60 = 23,686.80/x
  3. Step 3: Cross multiply
    27,963.60x = 42,042.60 × 23,686.80
  4. Step 4: Simplify right side
    27,963.60x = 995,854,657.68
  5. Step 5: Solve for x
    x = 995,854,657.68/27,963.60
  6. Step 6: Final answer
    x = 35,612.53

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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.