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Finding the Fourth Proportional to 6,918.28, 10,377.42 and 2,301.28

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Solution

The fourth proportional to 6,918.28, 10,377.42 and 2,301.28 is: 3,451.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918.28 : 10,377.42 = 2,301.28 : x
  2. Step 2: Convert to fraction form
    6,918.28/10,377.42 = 2,301.28/x
  3. Step 3: Cross multiply
    6,918.28x = 10,377.42 × 2,301.28
  4. Step 4: Simplify right side
    6,918.28x = 23,881,366.38
  5. Step 5: Solve for x
    x = 23,881,366.38/6,918.28
  6. Step 6: Final answer
    x = 3,451.92

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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.