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Finding the Fourth Proportional to 83,653.92, 125,435.52 and 27,480.96

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Solution

The fourth proportional to 83,653.92, 125,435.52 and 27,480.96 is: 41,206.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,653.92 : 125,435.52 = 27,480.96 : x
  2. Step 2: Convert to fraction form
    83,653.92/125,435.52 = 27,480.96/x
  3. Step 3: Cross multiply
    83,653.92x = 125,435.52 × 27,480.96
  4. Step 4: Simplify right side
    83,653.92x = 3,447,088,507.70
  5. Step 5: Solve for x
    x = 3,447,088,507.70/83,653.92
  6. Step 6: Final answer
    x = 41,206.54

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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.