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Finding the Fourth Proportional to 2,346.56, 3,517.08 and 958.31

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Solution

The fourth proportional to 2,346.56, 3,517.08 and 958.31 is: 1,436.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,346.56 : 3,517.08 = 958.31 : x
  2. Step 2: Convert to fraction form
    2,346.56/3,517.08 = 958.31/x
  3. Step 3: Cross multiply
    2,346.56x = 3,517.08 × 958.31
  4. Step 4: Simplify right side
    2,346.56x = 3,370,452.93
  5. Step 5: Solve for x
    x = 3,370,452.93/2,346.56
  6. Step 6: Final answer
    x = 1,436.34

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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.