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Finding the Fourth Proportional to 26,398.56, 39,600.48 and 9,762.96

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Solution

The fourth proportional to 26,398.56, 39,600.48 and 9,762.96 is: 14,645.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,398.56 : 39,600.48 = 9,762.96 : x
  2. Step 2: Convert to fraction form
    26,398.56/39,600.48 = 9,762.96/x
  3. Step 3: Cross multiply
    26,398.56x = 39,600.48 × 9,762.96
  4. Step 4: Simplify right side
    26,398.56x = 386,617,902.22
  5. Step 5: Solve for x
    x = 386,617,902.22/26,398.56
  6. Step 6: Final answer
    x = 14,645.42

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.