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Finding the Fourth Proportional to 57,685.82, 86,559.50 and 22,625.78

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Solution

The fourth proportional to 57,685.82, 86,559.50 and 22,625.78 is: 33,950.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,685.82 : 86,559.50 = 22,625.78 : x
  2. Step 2: Convert to fraction form
    57,685.82/86,559.50 = 22,625.78/x
  3. Step 3: Cross multiply
    57,685.82x = 86,559.50 × 22,625.78
  4. Step 4: Simplify right side
    57,685.82x = 1,958,475,827.68
  5. Step 5: Solve for x
    x = 1,958,475,827.68/57,685.82
  6. Step 6: Final answer
    x = 33,950.74

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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.