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Finding the Fourth Proportional to 6,617.92, 9,934.18 and 3,330.14

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Solution

The fourth proportional to 6,617.92, 9,934.18 and 3,330.14 is: 4,998.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,617.92 : 9,934.18 = 3,330.14 : x
  2. Step 2: Convert to fraction form
    6,617.92/9,934.18 = 3,330.14/x
  3. Step 3: Cross multiply
    6,617.92x = 9,934.18 × 3,330.14
  4. Step 4: Simplify right side
    6,617.92x = 33,082,210.19
  5. Step 5: Solve for x
    x = 33,082,210.19/6,617.92
  6. Step 6: Final answer
    x = 4,998.88

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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.