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Finding the Fourth Proportional to 1,097.41, 1,514.28 and 704.97

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Solution

The fourth proportional to 1,097.41, 1,514.28 and 704.97 is: 972.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097.41 : 1,514.28 = 704.97 : x
  2. Step 2: Convert to fraction form
    1,097.41/1,514.28 = 704.97/x
  3. Step 3: Cross multiply
    1,097.41x = 1,514.28 × 704.97
  4. Step 4: Simplify right side
    1,097.41x = 1,067,521.97
  5. Step 5: Solve for x
    x = 1,067,521.97/1,097.41
  6. Step 6: Final answer
    x = 972.76

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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.