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Finding the Fourth Proportional to 63,481.60, 87,575.16 and 44,629.84

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Solution

The fourth proportional to 63,481.60, 87,575.16 and 44,629.84 is: 61,568.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,481.60 : 87,575.16 = 44,629.84 : x
  2. Step 2: Convert to fraction form
    63,481.60/87,575.16 = 44,629.84/x
  3. Step 3: Cross multiply
    63,481.60x = 87,575.16 × 44,629.84
  4. Step 4: Simplify right side
    63,481.60x = 3,908,465,378.77
  5. Step 5: Solve for x
    x = 3,908,465,378.77/63,481.60
  6. Step 6: Final answer
    x = 61,568.48

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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.