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Finding the Fourth Proportional to 36,959.20, 51,004.88 and 20,192.20

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Solution

The fourth proportional to 36,959.20, 51,004.88 and 20,192.20 is: 27,865.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,959.20 : 51,004.88 = 20,192.20 : x
  2. Step 2: Convert to fraction form
    36,959.20/51,004.88 = 20,192.20/x
  3. Step 3: Cross multiply
    36,959.20x = 51,004.88 × 20,192.20
  4. Step 4: Simplify right side
    36,959.20x = 1,029,900,737.94
  5. Step 5: Solve for x
    x = 1,029,900,737.94/36,959.20
  6. Step 6: Final answer
    x = 27,865.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.