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Finding the Fourth Proportional to 2,591.85, 3,576.86 and 1,412.98

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Solution

The fourth proportional to 2,591.85, 3,576.86 and 1,412.98 is: 1,949.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,591.85 : 3,576.86 = 1,412.98 : x
  2. Step 2: Convert to fraction form
    2,591.85/3,576.86 = 1,412.98/x
  3. Step 3: Cross multiply
    2,591.85x = 3,576.86 × 1,412.98
  4. Step 4: Simplify right side
    2,591.85x = 5,054,031.64
  5. Step 5: Solve for x
    x = 5,054,031.64/2,591.85
  6. Step 6: Final answer
    x = 1,949.97

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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.