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Finding the Fourth Proportional to 63,579.92, 87,741.87 and 34,902.43

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Solution

The fourth proportional to 63,579.92, 87,741.87 and 34,902.43 is: 48,166.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,579.92 : 87,741.87 = 34,902.43 : x
  2. Step 2: Convert to fraction form
    63,579.92/87,741.87 = 34,902.43/x
  3. Step 3: Cross multiply
    63,579.92x = 87,741.87 × 34,902.43
  4. Step 4: Simplify right side
    63,579.92x = 3,062,404,125.51
  5. Step 5: Solve for x
    x = 3,062,404,125.51/63,579.92
  6. Step 6: Final answer
    x = 48,166.21

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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.