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Finding the Fourth Proportional to 57,251.80, 79,008.75 and 31,757.33

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Solution

The fourth proportional to 57,251.80, 79,008.75 and 31,757.33 is: 43,825.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,251.80 : 79,008.75 = 31,757.33 : x
  2. Step 2: Convert to fraction form
    57,251.80/79,008.75 = 31,757.33/x
  3. Step 3: Cross multiply
    57,251.80x = 79,008.75 × 31,757.33
  4. Step 4: Simplify right side
    57,251.80x = 2,509,107,064.77
  5. Step 5: Solve for x
    x = 2,509,107,064.77/57,251.80
  6. Step 6: Final answer
    x = 43,825.82

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1.5x scale

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.