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Finding the Fourth Proportional to 735.16, 1,096.68 and 682.76

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Solution

The fourth proportional to 735.16, 1,096.68 and 682.76 is: 1,018.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    735.16 : 1,096.68 = 682.76 : x
  2. Step 2: Convert to fraction form
    735.16/1,096.68 = 682.76/x
  3. Step 3: Cross multiply
    735.16x = 1,096.68 × 682.76
  4. Step 4: Simplify right side
    735.16x = 748,769.24
  5. Step 5: Solve for x
    x = 748,769.24/735.16
  6. Step 6: Final answer
    x = 1,018.51

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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.