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Finding the Fourth Proportional to 35,892.72, 53,846.78 and 10,934.78

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Solution

The fourth proportional to 35,892.72, 53,846.78 and 10,934.78 is: 16,404.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,892.72 : 53,846.78 = 10,934.78 : x
  2. Step 2: Convert to fraction form
    35,892.72/53,846.78 = 10,934.78/x
  3. Step 3: Cross multiply
    35,892.72x = 53,846.78 × 10,934.78
  4. Step 4: Simplify right side
    35,892.72x = 588,802,638.33
  5. Step 5: Solve for x
    x = 588,802,638.33/35,892.72
  6. Step 6: Final answer
    x = 16,404.51

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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.