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Finding the Fourth Proportional to 36,698.10, 55,010.70 and 16,942.20

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Solution

The fourth proportional to 36,698.10, 55,010.70 and 16,942.20 is: 25,396.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,698.10 : 55,010.70 = 16,942.20 : x
  2. Step 2: Convert to fraction form
    36,698.10/55,010.70 = 16,942.20/x
  3. Step 3: Cross multiply
    36,698.10x = 55,010.70 × 16,942.20
  4. Step 4: Simplify right side
    36,698.10x = 932,002,281.54
  5. Step 5: Solve for x
    x = 932,002,281.54/36,698.10
  6. Step 6: Final answer
    x = 25,396.47

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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.