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Finding the Fourth Proportional to 4,868.72, 7,304.78 and 1,537.49

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Solution

The fourth proportional to 4,868.72, 7,304.78 and 1,537.49 is: 2,306.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,868.72 : 7,304.78 = 1,537.49 : x
  2. Step 2: Convert to fraction form
    4,868.72/7,304.78 = 1,537.49/x
  3. Step 3: Cross multiply
    4,868.72x = 7,304.78 × 1,537.49
  4. Step 4: Simplify right side
    4,868.72x = 11,230,987.76
  5. Step 5: Solve for x
    x = 11,230,987.76/4,868.72
  6. Step 6: Final answer
    x = 2,306.76

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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.