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Finding the Fourth Proportional to 63,034.92, 86,987.88 and 34,740

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Solution

The fourth proportional to 63,034.92, 86,987.88 and 34,740 is: 47,941.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,034.92 : 86,987.88 = 34,740 : x
  2. Step 2: Convert to fraction form
    63,034.92/86,987.88 = 34,740/x
  3. Step 3: Cross multiply
    63,034.92x = 86,987.88 × 34,740
  4. Step 4: Simplify right side
    63,034.92x = 3,021,958,951.20
  5. Step 5: Solve for x
    x = 3,021,958,951.20/63,034.92
  6. Step 6: Final answer
    x = 47,941.03

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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.