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Finding the Fourth Proportional to 2,355.98, 3,251.18 and 1,333.82

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Solution

The fourth proportional to 2,355.98, 3,251.18 and 1,333.82 is: 1,840.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,355.98 : 3,251.18 = 1,333.82 : x
  2. Step 2: Convert to fraction form
    2,355.98/3,251.18 = 1,333.82/x
  3. Step 3: Cross multiply
    2,355.98x = 3,251.18 × 1,333.82
  4. Step 4: Simplify right side
    2,355.98x = 4,336,488.91
  5. Step 5: Solve for x
    x = 4,336,488.91/2,355.98
  6. Step 6: Final answer
    x = 1,840.63

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.