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Finding the Fourth Proportional to 26,521.82, 39,774.22 and 8,748.49

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Solution

The fourth proportional to 26,521.82, 39,774.22 and 8,748.49 is: 13,119.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,521.82 : 39,774.22 = 8,748.49 : x
  2. Step 2: Convert to fraction form
    26,521.82/39,774.22 = 8,748.49/x
  3. Step 3: Cross multiply
    26,521.82x = 39,774.22 × 8,748.49
  4. Step 4: Simplify right side
    26,521.82x = 347,964,365.93
  5. Step 5: Solve for x
    x = 347,964,365.93/26,521.82
  6. Step 6: Final answer
    x = 13,119.93

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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.