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Finding the Fourth Proportional to 1,093.23, 1,508.67 and 700.92

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Solution

The fourth proportional to 1,093.23, 1,508.67 and 700.92 is: 967.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093.23 : 1,508.67 = 700.92 : x
  2. Step 2: Convert to fraction form
    1,093.23/1,508.67 = 700.92/x
  3. Step 3: Cross multiply
    1,093.23x = 1,508.67 × 700.92
  4. Step 4: Simplify right side
    1,093.23x = 1,057,456.98
  5. Step 5: Solve for x
    x = 1,057,456.98/1,093.23
  6. Step 6: Final answer
    x = 967.28

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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.