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Finding the Fourth Proportional to 36,695.10, 55,006.20 and 16,939.20

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Solution

The fourth proportional to 36,695.10, 55,006.20 and 16,939.20 is: 25,391.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,695.10 : 55,006.20 = 16,939.20 : x
  2. Step 2: Convert to fraction form
    36,695.10/55,006.20 = 16,939.20/x
  3. Step 3: Cross multiply
    36,695.10x = 55,006.20 × 16,939.20
  4. Step 4: Simplify right side
    36,695.10x = 931,761,023.04
  5. Step 5: Solve for x
    x = 931,761,023.04/36,695.10
  6. Step 6: Final answer
    x = 25,391.97

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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.