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Finding the Fourth Proportional to 22,832.99, 31,509.41 and 12,761.43

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Solution

The fourth proportional to 22,832.99, 31,509.41 and 12,761.43 is: 17,610.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,832.99 : 31,509.41 = 12,761.43 : x
  2. Step 2: Convert to fraction form
    22,832.99/31,509.41 = 12,761.43/x
  3. Step 3: Cross multiply
    22,832.99x = 31,509.41 × 12,761.43
  4. Step 4: Simplify right side
    22,832.99x = 402,105,130.06
  5. Step 5: Solve for x
    x = 402,105,130.06/22,832.99
  6. Step 6: Final answer
    x = 17,610.71

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.