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Finding the Fourth Proportional to 35,067.24, 52,620 and 20,305

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Solution

The fourth proportional to 35,067.24, 52,620 and 20,305 is: 30,468.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,067.24 : 52,620 = 20,305 : x
  2. Step 2: Convert to fraction form
    35,067.24/52,620 = 20,305/x
  3. Step 3: Cross multiply
    35,067.24x = 52,620 × 20,305
  4. Step 4: Simplify right side
    35,067.24x = 1,068,449,100
  5. Step 5: Solve for x
    x = 1,068,449,100/35,067.24
  6. Step 6: Final answer
    x = 30,468.58

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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.