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Finding the Fourth Proportional to 83,863.66, 125,768.82 and 27,693.30

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Solution

The fourth proportional to 83,863.66, 125,768.82 and 27,693.30 is: 41,531.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,863.66 : 125,768.82 = 27,693.30 : x
  2. Step 2: Convert to fraction form
    83,863.66/125,768.82 = 27,693.30/x
  3. Step 3: Cross multiply
    83,863.66x = 125,768.82 × 27,693.30
  4. Step 4: Simplify right side
    83,863.66x = 3,482,953,662.91
  5. Step 5: Solve for x
    x = 3,482,953,662.91/83,863.66
  6. Step 6: Final answer
    x = 41,531.14

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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.