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Finding the Fourth Proportional to 3,523.54, 4,862.60 and 1,951.78

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Solution

The fourth proportional to 3,523.54, 4,862.60 and 1,951.78 is: 2,693.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,523.54 : 4,862.60 = 1,951.78 : x
  2. Step 2: Convert to fraction form
    3,523.54/4,862.60 = 1,951.78/x
  3. Step 3: Cross multiply
    3,523.54x = 4,862.60 × 1,951.78
  4. Step 4: Simplify right side
    3,523.54x = 9,490,725.43
  5. Step 5: Solve for x
    x = 9,490,725.43/3,523.54
  6. Step 6: Final answer
    x = 2,693.52

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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.