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Finding the Fourth Proportional to 15,099.75, 22,627.74 and 8,511.90

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Solution

The fourth proportional to 15,099.75, 22,627.74 and 8,511.90 is: 12,755.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,099.75 : 22,627.74 = 8,511.90 : x
  2. Step 2: Convert to fraction form
    15,099.75/22,627.74 = 8,511.90/x
  3. Step 3: Cross multiply
    15,099.75x = 22,627.74 × 8,511.90
  4. Step 4: Simplify right side
    15,099.75x = 192,605,060.11
  5. Step 5: Solve for x
    x = 192,605,060.11/15,099.75
  6. Step 6: Final answer
    x = 12,755.51

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1.5x scale

Why These Related Problems?

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