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Finding the Fourth Proportional to 3,346.77, 5,019.30 and 1,373.79

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Solution

The fourth proportional to 3,346.77, 5,019.30 and 1,373.79 is: 2,060.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,346.77 : 5,019.30 = 1,373.79 : x
  2. Step 2: Convert to fraction form
    3,346.77/5,019.30 = 1,373.79/x
  3. Step 3: Cross multiply
    3,346.77x = 5,019.30 × 1,373.79
  4. Step 4: Simplify right side
    3,346.77x = 6,895,464.15
  5. Step 5: Solve for x
    x = 6,895,464.15/3,346.77
  6. Step 6: Final answer
    x = 2,060.33

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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.