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Finding the Fourth Proportional to 26,471.62, 39,699 and 8,698.18

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Solution

The fourth proportional to 26,471.62, 39,699 and 8,698.18 is: 13,044.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,471.62 : 39,699 = 8,698.18 : x
  2. Step 2: Convert to fraction form
    26,471.62/39,699 = 8,698.18/x
  3. Step 3: Cross multiply
    26,471.62x = 39,699 × 8,698.18
  4. Step 4: Simplify right side
    26,471.62x = 345,308,849.33
  5. Step 5: Solve for x
    x = 345,308,849.33/26,471.62
  6. Step 6: Final answer
    x = 13,044.49

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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.