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Finding the Fourth Proportional to 2,584.44, 3,876.81 and 710.61

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Solution

The fourth proportional to 2,584.44, 3,876.81 and 710.61 is: 1,065.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,584.44 : 3,876.81 = 710.61 : x
  2. Step 2: Convert to fraction form
    2,584.44/3,876.81 = 710.61/x
  3. Step 3: Cross multiply
    2,584.44x = 3,876.81 × 710.61
  4. Step 4: Simplify right side
    2,584.44x = 2,754,899.95
  5. Step 5: Solve for x
    x = 2,754,899.95/2,584.44
  6. Step 6: Final answer
    x = 1,065.96

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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.