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Finding the Fourth Proportional to 63,675.43, 87,866.95 and 36,819.68

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Solution

The fourth proportional to 63,675.43, 87,866.95 and 36,819.68 is: 50,808.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,675.43 : 87,866.95 = 36,819.68 : x
  2. Step 2: Convert to fraction form
    63,675.43/87,866.95 = 36,819.68/x
  3. Step 3: Cross multiply
    63,675.43x = 87,866.95 × 36,819.68
  4. Step 4: Simplify right side
    63,675.43x = 3,235,232,981.58
  5. Step 5: Solve for x
    x = 3,235,232,981.58/63,675.43
  6. Step 6: Final answer
    x = 50,808.18

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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.