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Finding the Fourth Proportional to 1,493.73, 2,251.58 and 1,368.92

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Solution

The fourth proportional to 1,493.73, 2,251.58 and 1,368.92 is: 2,063.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,493.73 : 2,251.58 = 1,368.92 : x
  2. Step 2: Convert to fraction form
    1,493.73/2,251.58 = 1,368.92/x
  3. Step 3: Cross multiply
    1,493.73x = 2,251.58 × 1,368.92
  4. Step 4: Simplify right side
    1,493.73x = 3,082,231.68
  5. Step 5: Solve for x
    x = 3,082,231.68/1,493.73
  6. Step 6: Final answer
    x = 2,063.45

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.