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Finding the Fourth Proportional to 965.82, 1,333.40 and 732.54

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Solution

The fourth proportional to 965.82, 1,333.40 and 732.54 is: 1,011.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    965.82 : 1,333.40 = 732.54 : x
  2. Step 2: Convert to fraction form
    965.82/1,333.40 = 732.54/x
  3. Step 3: Cross multiply
    965.82x = 1,333.40 × 732.54
  4. Step 4: Simplify right side
    965.82x = 976,765.17
  5. Step 5: Solve for x
    x = 976,765.17/965.82
  6. Step 6: Final answer
    x = 1,011.33

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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.