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Finding the Fourth Proportional to 795.84, 1,193.76 and 674.88

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Solution

The fourth proportional to 795.84, 1,193.76 and 674.88 is: 1,012.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.84 : 1,193.76 = 674.88 : x
  2. Step 2: Convert to fraction form
    795.84/1,193.76 = 674.88/x
  3. Step 3: Cross multiply
    795.84x = 1,193.76 × 674.88
  4. Step 4: Simplify right side
    795.84x = 805,644.75
  5. Step 5: Solve for x
    x = 805,644.75/795.84
  6. Step 6: Final answer
    x = 1,012.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.