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Finding the Fourth Proportional to 2,682.66, 4,024.13 and 734.88

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Solution

The fourth proportional to 2,682.66, 4,024.13 and 734.88 is: 1,102.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,682.66 : 4,024.13 = 734.88 : x
  2. Step 2: Convert to fraction form
    2,682.66/4,024.13 = 734.88/x
  3. Step 3: Cross multiply
    2,682.66x = 4,024.13 × 734.88
  4. Step 4: Simplify right side
    2,682.66x = 2,957,248.98
  5. Step 5: Solve for x
    x = 2,957,248.98/2,682.66
  6. Step 6: Final answer
    x = 1,102.36

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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.