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Finding the Fourth Proportional to 2,932.98, 4,398.99 and 880.50

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Solution

The fourth proportional to 2,932.98, 4,398.99 and 880.50 is: 1,320.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,932.98 : 4,398.99 = 880.50 : x
  2. Step 2: Convert to fraction form
    2,932.98/4,398.99 = 880.50/x
  3. Step 3: Cross multiply
    2,932.98x = 4,398.99 × 880.50
  4. Step 4: Simplify right side
    2,932.98x = 3,873,310.70
  5. Step 5: Solve for x
    x = 3,873,310.70/2,932.98
  6. Step 6: Final answer
    x = 1,320.61

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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.