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Finding the Fourth Proportional to 83,695.80, 125,551.96 and 27,513.12

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Solution

The fourth proportional to 83,695.80, 125,551.96 and 27,513.12 is: 41,272.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,695.80 : 125,551.96 = 27,513.12 : x
  2. Step 2: Convert to fraction form
    83,695.80/125,551.96 = 27,513.12/x
  3. Step 3: Cross multiply
    83,695.80x = 125,551.96 × 27,513.12
  4. Step 4: Simplify right side
    83,695.80x = 3,454,326,141.72
  5. Step 5: Solve for x
    x = 3,454,326,141.72/83,695.80
  6. Step 6: Final answer
    x = 41,272.40

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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.