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Finding the Fourth Proportional to 26,620.52, 39,932.87 and 8,850.51

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Solution

The fourth proportional to 26,620.52, 39,932.87 and 8,850.51 is: 13,276.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,620.52 : 39,932.87 = 8,850.51 : x
  2. Step 2: Convert to fraction form
    26,620.52/39,932.87 = 8,850.51/x
  3. Step 3: Cross multiply
    26,620.52x = 39,932.87 × 8,850.51
  4. Step 4: Simplify right side
    26,620.52x = 353,426,221.01
  5. Step 5: Solve for x
    x = 353,426,221.01/26,620.52
  6. Step 6: Final answer
    x = 13,276.46

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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.