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Finding the Fourth Proportional to 5,819.12, 8,730.88 and 2,700.62

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Solution

The fourth proportional to 5,819.12, 8,730.88 and 2,700.62 is: 4,051.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,819.12 : 8,730.88 = 2,700.62 : x
  2. Step 2: Convert to fraction form
    5,819.12/8,730.88 = 2,700.62/x
  3. Step 3: Cross multiply
    5,819.12x = 8,730.88 × 2,700.62
  4. Step 4: Simplify right side
    5,819.12x = 23,578,789.15
  5. Step 5: Solve for x
    x = 23,578,789.15/5,819.12
  6. Step 6: Final answer
    x = 4,051.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.