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Finding the Fourth Proportional to 3,417.58, 5,126.37 and 1,337.82

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Solution

The fourth proportional to 3,417.58, 5,126.37 and 1,337.82 is: 2,006.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,417.58 : 5,126.37 = 1,337.82 : x
  2. Step 2: Convert to fraction form
    3,417.58/5,126.37 = 1,337.82/x
  3. Step 3: Cross multiply
    3,417.58x = 5,126.37 × 1,337.82
  4. Step 4: Simplify right side
    3,417.58x = 6,858,160.31
  5. Step 5: Solve for x
    x = 6,858,160.31/3,417.58
  6. Step 6: Final answer
    x = 2,006.73

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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.