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Finding the Fourth Proportional to 60,250.82, 90,407.22 and 28,696.68

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Solution

The fourth proportional to 60,250.82, 90,407.22 and 28,696.68 is: 43,059.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,250.82 : 90,407.22 = 28,696.68 : x
  2. Step 2: Convert to fraction form
    60,250.82/90,407.22 = 28,696.68/x
  3. Step 3: Cross multiply
    60,250.82x = 90,407.22 × 28,696.68
  4. Step 4: Simplify right side
    60,250.82x = 2,594,387,062.03
  5. Step 5: Solve for x
    x = 2,594,387,062.03/60,250.82
  6. Step 6: Final answer
    x = 43,059.78

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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.