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Finding the Fourth Proportional to 1,463.92, 2,020.68 and 967

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Solution

The fourth proportional to 1,463.92, 2,020.68 and 967 is: 1,334.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,463.92 : 2,020.68 = 967 : x
  2. Step 2: Convert to fraction form
    1,463.92/2,020.68 = 967/x
  3. Step 3: Cross multiply
    1,463.92x = 2,020.68 × 967
  4. Step 4: Simplify right side
    1,463.92x = 1,953,997.56
  5. Step 5: Solve for x
    x = 1,953,997.56/1,463.92
  6. Step 6: Final answer
    x = 1,334.77

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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.