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Finding the Fourth Proportional to 1,496.14, 2,244.48 and 765.52

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Solution

The fourth proportional to 1,496.14, 2,244.48 and 765.52 is: 1,148.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,496.14 : 2,244.48 = 765.52 : x
  2. Step 2: Convert to fraction form
    1,496.14/2,244.48 = 765.52/x
  3. Step 3: Cross multiply
    1,496.14x = 2,244.48 × 765.52
  4. Step 4: Simplify right side
    1,496.14x = 1,718,194.33
  5. Step 5: Solve for x
    x = 1,718,194.33/1,496.14
  6. Step 6: Final answer
    x = 1,148.42

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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.