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Finding the Fourth Proportional to 795.96, 1,192.68 and 681.48

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Solution

The fourth proportional to 795.96, 1,192.68 and 681.48 is: 1,021.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.96 : 1,192.68 = 681.48 : x
  2. Step 2: Convert to fraction form
    795.96/1,192.68 = 681.48/x
  3. Step 3: Cross multiply
    795.96x = 1,192.68 × 681.48
  4. Step 4: Simplify right side
    795.96x = 812,787.57
  5. Step 5: Solve for x
    x = 812,787.57/795.96
  6. Step 6: Final answer
    x = 1,021.14

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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.