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Finding the Fourth Proportional to 13,552.68, 20,363.10 and 8,624.52

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Solution

The fourth proportional to 13,552.68, 20,363.10 and 8,624.52 is: 12,958.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,552.68 : 20,363.10 = 8,624.52 : x
  2. Step 2: Convert to fraction form
    13,552.68/20,363.10 = 8,624.52/x
  3. Step 3: Cross multiply
    13,552.68x = 20,363.10 × 8,624.52
  4. Step 4: Simplify right side
    13,552.68x = 175,621,963.21
  5. Step 5: Solve for x
    x = 175,621,963.21/13,552.68
  6. Step 6: Final answer
    x = 12,958.47

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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.