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Finding the Fourth Proportional to 2,602.47, 3,906.41 and 1,508.97

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Solution

The fourth proportional to 2,602.47, 3,906.41 and 1,508.97 is: 2,265.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,602.47 : 3,906.41 = 1,508.97 : x
  2. Step 2: Convert to fraction form
    2,602.47/3,906.41 = 1,508.97/x
  3. Step 3: Cross multiply
    2,602.47x = 3,906.41 × 1,508.97
  4. Step 4: Simplify right side
    2,602.47x = 5,894,647.95
  5. Step 5: Solve for x
    x = 5,894,647.95/2,602.47
  6. Step 6: Final answer
    x = 2,265.02

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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.