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Finding the Fourth Proportional to 965.48, 1,333.04 and 744.08

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Solution

The fourth proportional to 965.48, 1,333.04 and 744.08 is: 1,027.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    965.48 : 1,333.04 = 744.08 : x
  2. Step 2: Convert to fraction form
    965.48/1,333.04 = 744.08/x
  3. Step 3: Cross multiply
    965.48x = 1,333.04 × 744.08
  4. Step 4: Simplify right side
    965.48x = 991,888.40
  5. Step 5: Solve for x
    x = 991,888.40/965.48
  6. Step 6: Final answer
    x = 1,027.35

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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.