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Finding the Fourth Proportional to 57,382.26, 86,040.29 and 22,280.91

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Solution

The fourth proportional to 57,382.26, 86,040.29 and 22,280.91 is: 33,408.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,382.26 : 86,040.29 = 22,280.91 : x
  2. Step 2: Convert to fraction form
    57,382.26/86,040.29 = 22,280.91/x
  3. Step 3: Cross multiply
    57,382.26x = 86,040.29 × 22,280.91
  4. Step 4: Simplify right side
    57,382.26x = 1,917,055,846.46
  5. Step 5: Solve for x
    x = 1,917,055,846.46/57,382.26
  6. Step 6: Final answer
    x = 33,408.51

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1.5x scale

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.