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Finding the Fourth Proportional to 6,792.88, 9,371.28 and 4,693.36

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Solution

The fourth proportional to 6,792.88, 9,371.28 and 4,693.36 is: 6,474.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,792.88 : 9,371.28 = 4,693.36 : x
  2. Step 2: Convert to fraction form
    6,792.88/9,371.28 = 4,693.36/x
  3. Step 3: Cross multiply
    6,792.88x = 9,371.28 × 4,693.36
  4. Step 4: Simplify right side
    6,792.88x = 43,982,790.70
  5. Step 5: Solve for x
    x = 43,982,790.70/6,792.88
  6. Step 6: Final answer
    x = 6,474.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.