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Finding the Fourth Proportional to 24,212.09, 33,428.83 and 15,151.20

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Solution

The fourth proportional to 24,212.09, 33,428.83 and 15,151.20 is: 20,918.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,212.09 : 33,428.83 = 15,151.20 : x
  2. Step 2: Convert to fraction form
    24,212.09/33,428.83 = 15,151.20/x
  3. Step 3: Cross multiply
    24,212.09x = 33,428.83 × 15,151.20
  4. Step 4: Simplify right side
    24,212.09x = 506,486,899.69
  5. Step 5: Solve for x
    x = 506,486,899.69/24,212.09
  6. Step 6: Final answer
    x = 20,918.76

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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.