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Finding the Fourth Proportional to 83,709.26, 125,568.57 and 26,788.13

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Solution

The fourth proportional to 83,709.26, 125,568.57 and 26,788.13 is: 40,183.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,709.26 : 125,568.57 = 26,788.13 : x
  2. Step 2: Convert to fraction form
    83,709.26/125,568.57 = 26,788.13/x
  3. Step 3: Cross multiply
    83,709.26x = 125,568.57 × 26,788.13
  4. Step 4: Simplify right side
    83,709.26x = 3,363,747,177.07
  5. Step 5: Solve for x
    x = 3,363,747,177.07/83,709.26
  6. Step 6: Final answer
    x = 40,183.69

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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.