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Finding the Fourth Proportional to 83,754.80, 125,632.20 and 36,983.60

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Solution

The fourth proportional to 83,754.80, 125,632.20 and 36,983.60 is: 55,475.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,754.80 : 125,632.20 = 36,983.60 : x
  2. Step 2: Convert to fraction form
    83,754.80/125,632.20 = 36,983.60/x
  3. Step 3: Cross multiply
    83,754.80x = 125,632.20 × 36,983.60
  4. Step 4: Simplify right side
    83,754.80x = 4,646,331,031.92
  5. Step 5: Solve for x
    x = 4,646,331,031.92/83,754.80
  6. Step 6: Final answer
    x = 55,475.40

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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.