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Finding the Fourth Proportional to 3,346.98, 5,018.04 and 1,399.74

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Solution

The fourth proportional to 3,346.98, 5,018.04 and 1,399.74 is: 2,098.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,346.98 : 5,018.04 = 1,399.74 : x
  2. Step 2: Convert to fraction form
    3,346.98/5,018.04 = 1,399.74/x
  3. Step 3: Cross multiply
    3,346.98x = 5,018.04 × 1,399.74
  4. Step 4: Simplify right side
    3,346.98x = 7,023,951.31
  5. Step 5: Solve for x
    x = 7,023,951.31/3,346.98
  6. Step 6: Final answer
    x = 2,098.59

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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.