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Finding the Fourth Proportional to 63,819.28, 88,078.86 and 36,605.98

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Solution

The fourth proportional to 63,819.28, 88,078.86 and 36,605.98 is: 50,520.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,819.28 : 88,078.86 = 36,605.98 : x
  2. Step 2: Convert to fraction form
    63,819.28/88,078.86 = 36,605.98/x
  3. Step 3: Cross multiply
    63,819.28x = 88,078.86 × 36,605.98
  4. Step 4: Simplify right side
    63,819.28x = 3,224,212,987.58
  5. Step 5: Solve for x
    x = 3,224,212,987.58/63,819.28
  6. Step 6: Final answer
    x = 50,520.99

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1.5x scale

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.