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Finding the Fourth Proportional to 63,177.75, 87,081.35 and 44,786.97

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Solution

The fourth proportional to 63,177.75, 87,081.35 and 44,786.97 is: 61,732.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,177.75 : 87,081.35 = 44,786.97 : x
  2. Step 2: Convert to fraction form
    63,177.75/87,081.35 = 44,786.97/x
  3. Step 3: Cross multiply
    63,177.75x = 87,081.35 × 44,786.97
  4. Step 4: Simplify right side
    63,177.75x = 3,900,109,586.07
  5. Step 5: Solve for x
    x = 3,900,109,586.07/63,177.75
  6. Step 6: Final answer
    x = 61,732.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.