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Finding the Fourth Proportional to 36,815.20, 55,251.60 and 17,096.20

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Solution

The fourth proportional to 36,815.20, 55,251.60 and 17,096.20 is: 25,657.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,815.20 : 55,251.60 = 17,096.20 : x
  2. Step 2: Convert to fraction form
    36,815.20/55,251.60 = 17,096.20/x
  3. Step 3: Cross multiply
    36,815.20x = 55,251.60 × 17,096.20
  4. Step 4: Simplify right side
    36,815.20x = 944,592,403.92
  5. Step 5: Solve for x
    x = 944,592,403.92/36,815.20
  6. Step 6: Final answer
    x = 25,657.67

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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.