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Finding the Fourth Proportional to 5,819.14, 8,730.87 and 2,700.64

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Solution

The fourth proportional to 5,819.14, 8,730.87 and 2,700.64 is: 4,051.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,819.14 : 8,730.87 = 2,700.64 : x
  2. Step 2: Convert to fraction form
    5,819.14/8,730.87 = 2,700.64/x
  3. Step 3: Cross multiply
    5,819.14x = 8,730.87 × 2,700.64
  4. Step 4: Simplify right side
    5,819.14x = 23,578,936.76
  5. Step 5: Solve for x
    x = 23,578,936.76/5,819.14
  6. Step 6: Final answer
    x = 4,051.96

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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.