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Finding the Fourth Proportional to 63,395.85, 87,486.14 and 36,538.18

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Solution

The fourth proportional to 63,395.85, 87,486.14 and 36,538.18 is: 50,422.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,395.85 : 87,486.14 = 36,538.18 : x
  2. Step 2: Convert to fraction form
    63,395.85/87,486.14 = 36,538.18/x
  3. Step 3: Cross multiply
    63,395.85x = 87,486.14 × 36,538.18
  4. Step 4: Simplify right side
    63,395.85x = 3,196,584,330.83
  5. Step 5: Solve for x
    x = 3,196,584,330.83/63,395.85
  6. Step 6: Final answer
    x = 50,422.61

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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.