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Finding the Fourth Proportional to 1,006.44, 1,505.76 and 732.60

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Solution

The fourth proportional to 1,006.44, 1,505.76 and 732.60 is: 1,096.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006.44 : 1,505.76 = 732.60 : x
  2. Step 2: Convert to fraction form
    1,006.44/1,505.76 = 732.60/x
  3. Step 3: Cross multiply
    1,006.44x = 1,505.76 × 732.60
  4. Step 4: Simplify right side
    1,006.44x = 1,103,119.78
  5. Step 5: Solve for x
    x = 1,103,119.78/1,006.44
  6. Step 6: Final answer
    x = 1,096.06

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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.