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Finding the Fourth Proportional to 57,993.17, 87,023.18 and 31,339.19

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Solution

The fourth proportional to 57,993.17, 87,023.18 and 31,339.19 is: 47,026.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,993.17 : 87,023.18 = 31,339.19 : x
  2. Step 2: Convert to fraction form
    57,993.17/87,023.18 = 31,339.19/x
  3. Step 3: Cross multiply
    57,993.17x = 87,023.18 × 31,339.19
  4. Step 4: Simplify right side
    57,993.17x = 2,727,236,268.33
  5. Step 5: Solve for x
    x = 2,727,236,268.33/57,993.17
  6. Step 6: Final answer
    x = 47,026.86

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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.