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Finding the Fourth Proportional to 2,658.92, 3,669.24 and 1,479.96

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Solution

The fourth proportional to 2,658.92, 3,669.24 and 1,479.96 is: 2,042.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,658.92 : 3,669.24 = 1,479.96 : x
  2. Step 2: Convert to fraction form
    2,658.92/3,669.24 = 1,479.96/x
  3. Step 3: Cross multiply
    2,658.92x = 3,669.24 × 1,479.96
  4. Step 4: Simplify right side
    2,658.92x = 5,430,328.43
  5. Step 5: Solve for x
    x = 5,430,328.43/2,658.92
  6. Step 6: Final answer
    x = 2,042.31

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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.