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Finding the Fourth Proportional to 18,467.67, 27,826.16 and 15,252.78

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Solution

The fourth proportional to 18,467.67, 27,826.16 and 15,252.78 is: 22,982.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,467.67 : 27,826.16 = 15,252.78 : x
  2. Step 2: Convert to fraction form
    18,467.67/27,826.16 = 15,252.78/x
  3. Step 3: Cross multiply
    18,467.67x = 27,826.16 × 15,252.78
  4. Step 4: Simplify right side
    18,467.67x = 424,426,334.86
  5. Step 5: Solve for x
    x = 424,426,334.86/18,467.67
  6. Step 6: Final answer
    x = 22,982.13

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.