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Finding the Fourth Proportional to 793.73, 1,093.84 and 572.28

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Solution

The fourth proportional to 793.73, 1,093.84 and 572.28 is: 788.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    793.73 : 1,093.84 = 572.28 : x
  2. Step 2: Convert to fraction form
    793.73/1,093.84 = 572.28/x
  3. Step 3: Cross multiply
    793.73x = 1,093.84 × 572.28
  4. Step 4: Simplify right side
    793.73x = 625,981.32
  5. Step 5: Solve for x
    x = 625,981.32/793.73
  6. Step 6: Final answer
    x = 788.66

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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.