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Finding the Fourth Proportional to 1,862.96, 2,571 and 1,034.96

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Solution

The fourth proportional to 1,862.96, 2,571 and 1,034.96 is: 1,428.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,862.96 : 2,571 = 1,034.96 : x
  2. Step 2: Convert to fraction form
    1,862.96/2,571 = 1,034.96/x
  3. Step 3: Cross multiply
    1,862.96x = 2,571 × 1,034.96
  4. Step 4: Simplify right side
    1,862.96x = 2,660,882.16
  5. Step 5: Solve for x
    x = 2,660,882.16/1,862.96
  6. Step 6: Final answer
    x = 1,428.31

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Why These Related Problems?

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