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Finding the Fourth Proportional to 3,747.84, 5,168.52 and 2,963.76

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Solution

The fourth proportional to 3,747.84, 5,168.52 and 2,963.76 is: 4,087.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747.84 : 5,168.52 = 2,963.76 : x
  2. Step 2: Convert to fraction form
    3,747.84/5,168.52 = 2,963.76/x
  3. Step 3: Cross multiply
    3,747.84x = 5,168.52 × 2,963.76
  4. Step 4: Simplify right side
    3,747.84x = 15,318,252.84
  5. Step 5: Solve for x
    x = 15,318,252.84/3,747.84
  6. Step 6: Final answer
    x = 4,087.22

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1.5x scale

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.