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Finding the Fourth Proportional to 26,351.67, 39,543.06 and 9,723.31

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Solution

The fourth proportional to 26,351.67, 39,543.06 and 9,723.31 is: 14,590.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,351.67 : 39,543.06 = 9,723.31 : x
  2. Step 2: Convert to fraction form
    26,351.67/39,543.06 = 9,723.31/x
  3. Step 3: Cross multiply
    26,351.67x = 39,543.06 × 9,723.31
  4. Step 4: Simplify right side
    26,351.67x = 384,489,430.73
  5. Step 5: Solve for x
    x = 384,489,430.73/26,351.67
  6. Step 6: Final answer
    x = 14,590.70

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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.