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Finding the Fourth Proportional to 38,799, 53,542.62 and 22,035.24

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Solution

The fourth proportional to 38,799, 53,542.62 and 22,035.24 is: 30,408.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,799 : 53,542.62 = 22,035.24 : x
  2. Step 2: Convert to fraction form
    38,799/53,542.62 = 22,035.24/x
  3. Step 3: Cross multiply
    38,799x = 53,542.62 × 22,035.24
  4. Step 4: Simplify right side
    38,799x = 1,179,824,481.93
  5. Step 5: Solve for x
    x = 1,179,824,481.93/38,799
  6. Step 6: Final answer
    x = 30,408.63

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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.