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Finding the Fourth Proportional to 8,068.76, 12,097.14 and 3,390.14

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Solution

The fourth proportional to 8,068.76, 12,097.14 and 3,390.14 is: 5,082.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,068.76 : 12,097.14 = 3,390.14 : x
  2. Step 2: Convert to fraction form
    8,068.76/12,097.14 = 3,390.14/x
  3. Step 3: Cross multiply
    8,068.76x = 12,097.14 × 3,390.14
  4. Step 4: Simplify right side
    8,068.76x = 41,010,998.20
  5. Step 5: Solve for x
    x = 41,010,998.20/8,068.76
  6. Step 6: Final answer
    x = 5,082.69

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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.