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Finding the Fourth Proportional to 2,308.86, 3,463.36 and 748.82

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Solution

The fourth proportional to 2,308.86, 3,463.36 and 748.82 is: 1,123.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,308.86 : 3,463.36 = 748.82 : x
  2. Step 2: Convert to fraction form
    2,308.86/3,463.36 = 748.82/x
  3. Step 3: Cross multiply
    2,308.86x = 3,463.36 × 748.82
  4. Step 4: Simplify right side
    2,308.86x = 2,593,433.24
  5. Step 5: Solve for x
    x = 2,593,433.24/2,308.86
  6. Step 6: Final answer
    x = 1,123.25

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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.