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Finding the Fourth Proportional to 1,494, 2,241.54 and 1,374.12

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Solution

The fourth proportional to 1,494, 2,241.54 and 1,374.12 is: 2,061.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,494 : 2,241.54 = 1,374.12 : x
  2. Step 2: Convert to fraction form
    1,494/2,241.54 = 1,374.12/x
  3. Step 3: Cross multiply
    1,494x = 2,241.54 × 1,374.12
  4. Step 4: Simplify right side
    1,494x = 3,080,144.94
  5. Step 5: Solve for x
    x = 3,080,144.94/1,494
  6. Step 6: Final answer
    x = 2,061.68

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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.