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Finding the Fourth Proportional to 63,819.20, 88,068.12 and 35,524.28

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Solution

The fourth proportional to 63,819.20, 88,068.12 and 35,524.28 is: 49,022.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,819.20 : 88,068.12 = 35,524.28 : x
  2. Step 2: Convert to fraction form
    63,819.20/88,068.12 = 35,524.28/x
  3. Step 3: Cross multiply
    63,819.20x = 88,068.12 × 35,524.28
  4. Step 4: Simplify right side
    63,819.20x = 3,128,556,553.95
  5. Step 5: Solve for x
    x = 3,128,556,553.95/63,819.20
  6. Step 6: Final answer
    x = 49,022.18

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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.