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Finding the Fourth Proportional to 15,137.10, 22,657.10 and 8,099.52

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Solution

The fourth proportional to 15,137.10, 22,657.10 and 8,099.52 is: 12,123.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,137.10 : 22,657.10 = 8,099.52 : x
  2. Step 2: Convert to fraction form
    15,137.10/22,657.10 = 8,099.52/x
  3. Step 3: Cross multiply
    15,137.10x = 22,657.10 × 8,099.52
  4. Step 4: Simplify right side
    15,137.10x = 183,511,634.59
  5. Step 5: Solve for x
    x = 183,511,634.59/15,137.10
  6. Step 6: Final answer
    x = 12,123.30

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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.