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Finding the Fourth Proportional to 2,324.46, 3,488.04 and 765.60

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Solution

The fourth proportional to 2,324.46, 3,488.04 and 765.60 is: 1,148.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,324.46 : 3,488.04 = 765.60 : x
  2. Step 2: Convert to fraction form
    2,324.46/3,488.04 = 765.60/x
  3. Step 3: Cross multiply
    2,324.46x = 3,488.04 × 765.60
  4. Step 4: Simplify right side
    2,324.46x = 2,670,443.42
  5. Step 5: Solve for x
    x = 2,670,443.42/2,324.46
  6. Step 6: Final answer
    x = 1,148.84

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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.