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Finding the Fourth Proportional to 16,487.84, 24,720.80 and 11,563.44

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Solution

The fourth proportional to 16,487.84, 24,720.80 and 11,563.44 is: 17,337.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,487.84 : 24,720.80 = 11,563.44 : x
  2. Step 2: Convert to fraction form
    16,487.84/24,720.80 = 11,563.44/x
  3. Step 3: Cross multiply
    16,487.84x = 24,720.80 × 11,563.44
  4. Step 4: Simplify right side
    16,487.84x = 285,857,487.55
  5. Step 5: Solve for x
    x = 285,857,487.55/16,487.84
  6. Step 6: Final answer
    x = 17,337.47

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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.