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Finding the Fourth Proportional to 2,508.19, 3,761.01 and 841.74

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Solution

The fourth proportional to 2,508.19, 3,761.01 and 841.74 is: 1,262.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,508.19 : 3,761.01 = 841.74 : x
  2. Step 2: Convert to fraction form
    2,508.19/3,761.01 = 841.74/x
  3. Step 3: Cross multiply
    2,508.19x = 3,761.01 × 841.74
  4. Step 4: Simplify right side
    2,508.19x = 3,165,797.24
  5. Step 5: Solve for x
    x = 3,165,797.24/2,508.19
  6. Step 6: Final answer
    x = 1,262.18

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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.