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Finding the Fourth Proportional to 26,477.85, 39,692.07 and 8,935.41

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Solution

The fourth proportional to 26,477.85, 39,692.07 and 8,935.41 is: 13,394.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,477.85 : 39,692.07 = 8,935.41 : x
  2. Step 2: Convert to fraction form
    26,477.85/39,692.07 = 8,935.41/x
  3. Step 3: Cross multiply
    26,477.85x = 39,692.07 × 8,935.41
  4. Step 4: Simplify right side
    26,477.85x = 354,664,919.20
  5. Step 5: Solve for x
    x = 354,664,919.20/26,477.85
  6. Step 6: Final answer
    x = 13,394.78

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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.