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Finding the Fourth Proportional to 3,346.37, 5,019.16 and 881.38

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Solution

The fourth proportional to 3,346.37, 5,019.16 and 881.38 is: 1,321.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,346.37 : 5,019.16 = 881.38 : x
  2. Step 2: Convert to fraction form
    3,346.37/5,019.16 = 881.38/x
  3. Step 3: Cross multiply
    3,346.37x = 5,019.16 × 881.38
  4. Step 4: Simplify right side
    3,346.37x = 4,423,787.24
  5. Step 5: Solve for x
    x = 4,423,787.24/3,346.37
  6. Step 6: Final answer
    x = 1,321.97

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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.