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Finding the Fourth Proportional to 3,957.84, 5,943.72 and 3,801.12

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Solution

The fourth proportional to 3,957.84, 5,943.72 and 3,801.12 is: 5,708.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,957.84 : 5,943.72 = 3,801.12 : x
  2. Step 2: Convert to fraction form
    3,957.84/5,943.72 = 3,801.12/x
  3. Step 3: Cross multiply
    3,957.84x = 5,943.72 × 3,801.12
  4. Step 4: Simplify right side
    3,957.84x = 22,592,792.97
  5. Step 5: Solve for x
    x = 22,592,792.97/3,957.84
  6. Step 6: Final answer
    x = 5,708.36

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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.