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Finding the Fourth Proportional to 63,722.52, 87,911.82 and 36,860.04

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Solution

The fourth proportional to 63,722.52, 87,911.82 and 36,860.04 is: 50,852.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,722.52 : 87,911.82 = 36,860.04 : x
  2. Step 2: Convert to fraction form
    63,722.52/87,911.82 = 36,860.04/x
  3. Step 3: Cross multiply
    63,722.52x = 87,911.82 × 36,860.04
  4. Step 4: Simplify right side
    63,722.52x = 3,240,433,201.67
  5. Step 5: Solve for x
    x = 3,240,433,201.67/63,722.52
  6. Step 6: Final answer
    x = 50,852.25

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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.