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Finding the Fourth Proportional to 18,925.44, 26,117.11 and 10,972.27

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Solution

The fourth proportional to 18,925.44, 26,117.11 and 10,972.27 is: 15,141.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,925.44 : 26,117.11 = 10,972.27 : x
  2. Step 2: Convert to fraction form
    18,925.44/26,117.11 = 10,972.27/x
  3. Step 3: Cross multiply
    18,925.44x = 26,117.11 × 10,972.27
  4. Step 4: Simplify right side
    18,925.44x = 286,563,982.54
  5. Step 5: Solve for x
    x = 286,563,982.54/18,925.44
  6. Step 6: Final answer
    x = 15,141.73

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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.