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Finding the Fourth Proportional to 83,677.80, 125,520.73 and 27,516.66

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Solution

The fourth proportional to 83,677.80, 125,520.73 and 27,516.66 is: 41,276.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,677.80 : 125,520.73 = 27,516.66 : x
  2. Step 2: Convert to fraction form
    83,677.80/125,520.73 = 27,516.66/x
  3. Step 3: Cross multiply
    83,677.80x = 125,520.73 × 27,516.66
  4. Step 4: Simplify right side
    83,677.80x = 3,453,911,250.36
  5. Step 5: Solve for x
    x = 3,453,911,250.36/83,677.80
  6. Step 6: Final answer
    x = 41,276.32

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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.