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Finding the Fourth Proportional to 63,759.44, 87,979.44 and 35,459.68

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Solution

The fourth proportional to 63,759.44, 87,979.44 and 35,459.68 is: 48,929.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,759.44 : 87,979.44 = 35,459.68 : x
  2. Step 2: Convert to fraction form
    63,759.44/87,979.44 = 35,459.68/x
  3. Step 3: Cross multiply
    63,759.44x = 87,979.44 × 35,459.68
  4. Step 4: Simplify right side
    63,759.44x = 3,119,722,788.98
  5. Step 5: Solve for x
    x = 3,119,722,788.98/63,759.44
  6. Step 6: Final answer
    x = 48,929.58

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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.