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Finding the Fourth Proportional to 15,087.64, 22,617.45 and 8,072.49

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Solution

The fourth proportional to 15,087.64, 22,617.45 and 8,072.49 is: 12,101.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,087.64 : 22,617.45 = 8,072.49 : x
  2. Step 2: Convert to fraction form
    15,087.64/22,617.45 = 8,072.49/x
  3. Step 3: Cross multiply
    15,087.64x = 22,617.45 × 8,072.49
  4. Step 4: Simplify right side
    15,087.64x = 182,579,138.95
  5. Step 5: Solve for x
    x = 182,579,138.95/15,087.64
  6. Step 6: Final answer
    x = 12,101.24

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.