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Finding the Fourth Proportional to 36,891.88, 50,921.70 and 25,717.48

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Solution

The fourth proportional to 36,891.88, 50,921.70 and 25,717.48 is: 35,497.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,891.88 : 50,921.70 = 25,717.48 : x
  2. Step 2: Convert to fraction form
    36,891.88/50,921.70 = 25,717.48/x
  3. Step 3: Cross multiply
    36,891.88x = 50,921.70 × 25,717.48
  4. Step 4: Simplify right side
    36,891.88x = 1,309,577,801.32
  5. Step 5: Solve for x
    x = 1,309,577,801.32/36,891.88
  6. Step 6: Final answer
    x = 35,497.72

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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.