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Finding the Fourth Proportional to 57,292.54, 79,062.52 and 31,797.42

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Solution

The fourth proportional to 57,292.54, 79,062.52 and 31,797.42 is: 43,879.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,292.54 : 79,062.52 = 31,797.42 : x
  2. Step 2: Convert to fraction form
    57,292.54/79,062.52 = 31,797.42/x
  3. Step 3: Cross multiply
    57,292.54x = 79,062.52 × 31,797.42
  4. Step 4: Simplify right side
    57,292.54x = 2,513,984,075.20
  5. Step 5: Solve for x
    x = 2,513,984,075.20/57,292.54
  6. Step 6: Final answer
    x = 43,879.78

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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.