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Finding the Fourth Proportional to 35,231.78, 52,848.68 and 8,936.48

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Solution

The fourth proportional to 35,231.78, 52,848.68 and 8,936.48 is: 13,404.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,231.78 : 52,848.68 = 8,936.48 : x
  2. Step 2: Convert to fraction form
    35,231.78/52,848.68 = 8,936.48/x
  3. Step 3: Cross multiply
    35,231.78x = 52,848.68 × 8,936.48
  4. Step 4: Simplify right side
    35,231.78x = 472,280,862.92
  5. Step 5: Solve for x
    x = 472,280,862.92/35,231.78
  6. Step 6: Final answer
    x = 13,404.97

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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.