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Finding the Fourth Proportional to 63,594.08, 87,760.16 and 39,734.59

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Solution

The fourth proportional to 63,594.08, 87,760.16 and 39,734.59 is: 54,833.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,594.08 : 87,760.16 = 39,734.59 : x
  2. Step 2: Convert to fraction form
    63,594.08/87,760.16 = 39,734.59/x
  3. Step 3: Cross multiply
    63,594.08x = 87,760.16 × 39,734.59
  4. Step 4: Simplify right side
    63,594.08x = 3,487,113,975.93
  5. Step 5: Solve for x
    x = 3,487,113,975.93/63,594.08
  6. Step 6: Final answer
    x = 54,833.94

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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.