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Finding the Fourth Proportional to 19,151.51, 26,428.83 and 10,768.01

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Solution

The fourth proportional to 19,151.51, 26,428.83 and 10,768.01 is: 14,859.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,151.51 : 26,428.83 = 10,768.01 : x
  2. Step 2: Convert to fraction form
    19,151.51/26,428.83 = 10,768.01/x
  3. Step 3: Cross multiply
    19,151.51x = 26,428.83 × 10,768.01
  4. Step 4: Simplify right side
    19,151.51x = 284,585,905.73
  5. Step 5: Solve for x
    x = 284,585,905.73/19,151.51
  6. Step 6: Final answer
    x = 14,859.71

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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.