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Finding the Fourth Proportional to 3,304, 4,957.92 and 1,480

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Solution

The fourth proportional to 3,304, 4,957.92 and 1,480 is: 2,220.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,304 : 4,957.92 = 1,480 : x
  2. Step 2: Convert to fraction form
    3,304/4,957.92 = 1,480/x
  3. Step 3: Cross multiply
    3,304x = 4,957.92 × 1,480
  4. Step 4: Simplify right side
    3,304x = 7,337,721.60
  5. Step 5: Solve for x
    x = 7,337,721.60/3,304
  6. Step 6: Final answer
    x = 2,220.86

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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.