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Finding the Fourth Proportional to 36,600.30, 54,900.45 and 16,917.30

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Solution

The fourth proportional to 36,600.30, 54,900.45 and 16,917.30 is: 25,375.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,600.30 : 54,900.45 = 16,917.30 : x
  2. Step 2: Convert to fraction form
    36,600.30/54,900.45 = 16,917.30/x
  3. Step 3: Cross multiply
    36,600.30x = 54,900.45 × 16,917.30
  4. Step 4: Simplify right side
    36,600.30x = 928,767,382.79
  5. Step 5: Solve for x
    x = 928,767,382.79/36,600.30
  6. Step 6: Final answer
    x = 25,375.95

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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.