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Finding the Fourth Proportional to 2,773.85, 4,150.36 and 1,659.17

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Solution

The fourth proportional to 2,773.85, 4,150.36 and 1,659.17 is: 2,482.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,773.85 : 4,150.36 = 1,659.17 : x
  2. Step 2: Convert to fraction form
    2,773.85/4,150.36 = 1,659.17/x
  3. Step 3: Cross multiply
    2,773.85x = 4,150.36 × 1,659.17
  4. Step 4: Simplify right side
    2,773.85x = 6,886,123.75
  5. Step 5: Solve for x
    x = 6,886,123.75/2,773.85
  6. Step 6: Final answer
    x = 2,482.51

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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.