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Finding the Fourth Proportional to 83,707.92, 125,561.88 and 36,951.48

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Solution

The fourth proportional to 83,707.92, 125,561.88 and 36,951.48 is: 55,427.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,707.92 : 125,561.88 = 36,951.48 : x
  2. Step 2: Convert to fraction form
    83,707.92/125,561.88 = 36,951.48/x
  3. Step 3: Cross multiply
    83,707.92x = 125,561.88 × 36,951.48
  4. Step 4: Simplify right side
    83,707.92x = 4,639,697,297.58
  5. Step 5: Solve for x
    x = 4,639,697,297.58/83,707.92
  6. Step 6: Final answer
    x = 55,427.22

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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.