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Finding the Fourth Proportional to 57,694.60, 86,541.90 and 35,648.20

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Solution

The fourth proportional to 57,694.60, 86,541.90 and 35,648.20 is: 53,472.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,694.60 : 86,541.90 = 35,648.20 : x
  2. Step 2: Convert to fraction form
    57,694.60/86,541.90 = 35,648.20/x
  3. Step 3: Cross multiply
    57,694.60x = 86,541.90 × 35,648.20
  4. Step 4: Simplify right side
    57,694.60x = 3,085,062,959.58
  5. Step 5: Solve for x
    x = 3,085,062,959.58/57,694.60
  6. Step 6: Final answer
    x = 53,472.30

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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.