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Finding the Fourth Proportional to 731.94, 1,093.95 and 673.56

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Solution

The fourth proportional to 731.94, 1,093.95 and 673.56 is: 1,006.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    731.94 : 1,093.95 = 673.56 : x
  2. Step 2: Convert to fraction form
    731.94/1,093.95 = 673.56/x
  3. Step 3: Cross multiply
    731.94x = 1,093.95 × 673.56
  4. Step 4: Simplify right side
    731.94x = 736,840.96
  5. Step 5: Solve for x
    x = 736,840.96/731.94
  6. Step 6: Final answer
    x = 1,006.70

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.