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Finding the Fourth Proportional to 63,686.22, 95,398.04 and 37,311

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Solution

The fourth proportional to 63,686.22, 95,398.04 and 37,311 is: 55,889.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,686.22 : 95,398.04 = 37,311 : x
  2. Step 2: Convert to fraction form
    63,686.22/95,398.04 = 37,311/x
  3. Step 3: Cross multiply
    63,686.22x = 95,398.04 × 37,311
  4. Step 4: Simplify right side
    63,686.22x = 3,559,396,270.44
  5. Step 5: Solve for x
    x = 3,559,396,270.44/63,686.22
  6. Step 6: Final answer
    x = 55,889.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.