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Finding the Fourth Proportional to 2,321.59, 3,482.02 and 677.96

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Solution

The fourth proportional to 2,321.59, 3,482.02 and 677.96 is: 1,016.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,321.59 : 3,482.02 = 677.96 : x
  2. Step 2: Convert to fraction form
    2,321.59/3,482.02 = 677.96/x
  3. Step 3: Cross multiply
    2,321.59x = 3,482.02 × 677.96
  4. Step 4: Simplify right side
    2,321.59x = 2,360,670.28
  5. Step 5: Solve for x
    x = 2,360,670.28/2,321.59
  6. Step 6: Final answer
    x = 1,016.83

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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.