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Finding the Fourth Proportional to 793.34, 1,088.94 and 759.51

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Solution

The fourth proportional to 793.34, 1,088.94 and 759.51 is: 1,042.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    793.34 : 1,088.94 = 759.51 : x
  2. Step 2: Convert to fraction form
    793.34/1,088.94 = 759.51/x
  3. Step 3: Cross multiply
    793.34x = 1,088.94 × 759.51
  4. Step 4: Simplify right side
    793.34x = 827,060.82
  5. Step 5: Solve for x
    x = 827,060.82/793.34
  6. Step 6: Final answer
    x = 1,042.51

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.