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Finding the Fourth Proportional to 2,052.50, 3,079.97 and 882.47

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Solution

The fourth proportional to 2,052.50, 3,079.97 and 882.47 is: 1,324.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,052.50 : 3,079.97 = 882.47 : x
  2. Step 2: Convert to fraction form
    2,052.50/3,079.97 = 882.47/x
  3. Step 3: Cross multiply
    2,052.50x = 3,079.97 × 882.47
  4. Step 4: Simplify right side
    2,052.50x = 2,717,976.71
  5. Step 5: Solve for x
    x = 2,717,976.71/2,052.50
  6. Step 6: Final answer
    x = 1,324.23

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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.