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Finding the Fourth Proportional to 36,272.70, 54,418.23 and 17,561.70

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Solution

The fourth proportional to 36,272.70, 54,418.23 and 17,561.70 is: 26,346.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,272.70 : 54,418.23 = 17,561.70 : x
  2. Step 2: Convert to fraction form
    36,272.70/54,418.23 = 17,561.70/x
  3. Step 3: Cross multiply
    36,272.70x = 54,418.23 × 17,561.70
  4. Step 4: Simplify right side
    36,272.70x = 955,676,629.79
  5. Step 5: Solve for x
    x = 955,676,629.79/36,272.70
  6. Step 6: Final answer
    x = 26,346.99

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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.