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Finding the Fourth Proportional to 2,187.52, 3,281.24 and 1,034.08

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Solution

The fourth proportional to 2,187.52, 3,281.24 and 1,034.08 is: 1,551.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187.52 : 3,281.24 = 1,034.08 : x
  2. Step 2: Convert to fraction form
    2,187.52/3,281.24 = 1,034.08/x
  3. Step 3: Cross multiply
    2,187.52x = 3,281.24 × 1,034.08
  4. Step 4: Simplify right side
    2,187.52x = 3,393,064.66
  5. Step 5: Solve for x
    x = 3,393,064.66/2,187.52
  6. Step 6: Final answer
    x = 1,551.10

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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.