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Finding the Fourth Proportional to 3,369, 5,058.20 and 1,726.68

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Solution

The fourth proportional to 3,369, 5,058.20 and 1,726.68 is: 2,592.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,369 : 5,058.20 = 1,726.68 : x
  2. Step 2: Convert to fraction form
    3,369/5,058.20 = 1,726.68/x
  3. Step 3: Cross multiply
    3,369x = 5,058.20 × 1,726.68
  4. Step 4: Simplify right side
    3,369x = 8,733,892.78
  5. Step 5: Solve for x
    x = 8,733,892.78/3,369
  6. Step 6: Final answer
    x = 2,592.43

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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.