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Finding the Fourth Proportional to 15,059.08, 22,614.54 and 8,138.44

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Solution

The fourth proportional to 15,059.08, 22,614.54 and 8,138.44 is: 12,221.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,059.08 : 22,614.54 = 8,138.44 : x
  2. Step 2: Convert to fraction form
    15,059.08/22,614.54 = 8,138.44/x
  3. Step 3: Cross multiply
    15,059.08x = 22,614.54 × 8,138.44
  4. Step 4: Simplify right side
    15,059.08x = 184,047,076.92
  5. Step 5: Solve for x
    x = 184,047,076.92/15,059.08
  6. Step 6: Final answer
    x = 12,221.67

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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.