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Finding the Fourth Proportional to 955.50, 1,433.04 and 773.93

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Solution

The fourth proportional to 955.50, 1,433.04 and 773.93 is: 1,160.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    955.50 : 1,433.04 = 773.93 : x
  2. Step 2: Convert to fraction form
    955.50/1,433.04 = 773.93/x
  3. Step 3: Cross multiply
    955.50x = 1,433.04 × 773.93
  4. Step 4: Simplify right side
    955.50x = 1,109,065.48
  5. Step 5: Solve for x
    x = 1,109,065.48/955.50
  6. Step 6: Final answer
    x = 1,160.72

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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.