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Finding the Fourth Proportional to 966.02, 1,332.02 and 744.48

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Solution

The fourth proportional to 966.02, 1,332.02 and 744.48 is: 1,026.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    966.02 : 1,332.02 = 744.48 : x
  2. Step 2: Convert to fraction form
    966.02/1,332.02 = 744.48/x
  3. Step 3: Cross multiply
    966.02x = 1,332.02 × 744.48
  4. Step 4: Simplify right side
    966.02x = 991,662.25
  5. Step 5: Solve for x
    x = 991,662.25/966.02
  6. Step 6: Final answer
    x = 1,026.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.