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Finding the Fourth Proportional to 3,306.56, 4,961.04 and 1,358.96

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Solution

The fourth proportional to 3,306.56, 4,961.04 and 1,358.96 is: 2,038.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,306.56 : 4,961.04 = 1,358.96 : x
  2. Step 2: Convert to fraction form
    3,306.56/4,961.04 = 1,358.96/x
  3. Step 3: Cross multiply
    3,306.56x = 4,961.04 × 1,358.96
  4. Step 4: Simplify right side
    3,306.56x = 6,741,854.92
  5. Step 5: Solve for x
    x = 6,741,854.92/3,306.56
  6. Step 6: Final answer
    x = 2,038.93

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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.