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Finding the Fourth Proportional to 955.41, 1,433.13 and 794.22

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Solution

The fourth proportional to 955.41, 1,433.13 and 794.22 is: 1,191.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    955.41 : 1,433.13 = 794.22 : x
  2. Step 2: Convert to fraction form
    955.41/1,433.13 = 794.22/x
  3. Step 3: Cross multiply
    955.41x = 1,433.13 × 794.22
  4. Step 4: Simplify right side
    955.41x = 1,138,220.51
  5. Step 5: Solve for x
    x = 1,138,220.51/955.41
  6. Step 6: Final answer
    x = 1,191.34

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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.