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Finding the Fourth Proportional to 2,343.83, 3,512.25 and 955.49

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Solution

The fourth proportional to 2,343.83, 3,512.25 and 955.49 is: 1,431.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,343.83 : 3,512.25 = 955.49 : x
  2. Step 2: Convert to fraction form
    2,343.83/3,512.25 = 955.49/x
  3. Step 3: Cross multiply
    2,343.83x = 3,512.25 × 955.49
  4. Step 4: Simplify right side
    2,343.83x = 3,355,902.19
  5. Step 5: Solve for x
    x = 3,355,902.19/2,343.83
  6. Step 6: Final answer
    x = 1,431.81

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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.