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Finding the Fourth Proportional to 57,692.54, 86,541.95 and 18,246.71

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Solution

The fourth proportional to 57,692.54, 86,541.95 and 18,246.71 is: 27,371.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,692.54 : 86,541.95 = 18,246.71 : x
  2. Step 2: Convert to fraction form
    57,692.54/86,541.95 = 18,246.71/x
  3. Step 3: Cross multiply
    57,692.54x = 86,541.95 × 18,246.71
  4. Step 4: Simplify right side
    57,692.54x = 1,579,105,477.39
  5. Step 5: Solve for x
    x = 1,579,105,477.39/57,692.54
  6. Step 6: Final answer
    x = 27,371.05

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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.