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Finding the Fourth Proportional to 18,826.52, 28,184.30 and 16,491.08

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Solution

The fourth proportional to 18,826.52, 28,184.30 and 16,491.08 is: 24,688.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,826.52 : 28,184.30 = 16,491.08 : x
  2. Step 2: Convert to fraction form
    18,826.52/28,184.30 = 16,491.08/x
  3. Step 3: Cross multiply
    18,826.52x = 28,184.30 × 16,491.08
  4. Step 4: Simplify right side
    18,826.52x = 464,789,534.05
  5. Step 5: Solve for x
    x = 464,789,534.05/18,826.52
  6. Step 6: Final answer
    x = 24,688.03

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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.