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Finding the Fourth Proportional to 57,677.29, 86,515.41 and 18,234.41

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Solution

The fourth proportional to 57,677.29, 86,515.41 and 18,234.41 is: 27,351.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,677.29 : 86,515.41 = 18,234.41 : x
  2. Step 2: Convert to fraction form
    57,677.29/86,515.41 = 18,234.41/x
  3. Step 3: Cross multiply
    57,677.29x = 86,515.41 × 18,234.41
  4. Step 4: Simplify right side
    57,677.29x = 1,577,557,673.55
  5. Step 5: Solve for x
    x = 1,577,557,673.55/57,677.29
  6. Step 6: Final answer
    x = 27,351.45

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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.