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Finding the Fourth Proportional to 63,173.61, 87,175.83 and 34,487.55

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Solution

The fourth proportional to 63,173.61, 87,175.83 and 34,487.55 is: 47,590.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,173.61 : 87,175.83 = 34,487.55 : x
  2. Step 2: Convert to fraction form
    63,173.61/87,175.83 = 34,487.55/x
  3. Step 3: Cross multiply
    63,173.61x = 87,175.83 × 34,487.55
  4. Step 4: Simplify right side
    63,173.61x = 3,006,480,795.92
  5. Step 5: Solve for x
    x = 3,006,480,795.92/63,173.61
  6. Step 6: Final answer
    x = 47,590.77

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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.