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Finding the Fourth Proportional to 732.66, 1,096.56 and 705.12

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Solution

The fourth proportional to 732.66, 1,096.56 and 705.12 is: 1,055.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    732.66 : 1,096.56 = 705.12 : x
  2. Step 2: Convert to fraction form
    732.66/1,096.56 = 705.12/x
  3. Step 3: Cross multiply
    732.66x = 1,096.56 × 705.12
  4. Step 4: Simplify right side
    732.66x = 773,206.39
  5. Step 5: Solve for x
    x = 773,206.39/732.66
  6. Step 6: Final answer
    x = 1,055.34

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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.