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Finding the Fourth Proportional to 67,484.88, 101,288.73 and 35,921.43

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Solution

The fourth proportional to 67,484.88, 101,288.73 and 35,921.43 is: 53,914.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,484.88 : 101,288.73 = 35,921.43 : x
  2. Step 2: Convert to fraction form
    67,484.88/101,288.73 = 35,921.43/x
  3. Step 3: Cross multiply
    67,484.88x = 101,288.73 × 35,921.43
  4. Step 4: Simplify right side
    67,484.88x = 3,638,436,024.48
  5. Step 5: Solve for x
    x = 3,638,436,024.48/67,484.88
  6. Step 6: Final answer
    x = 53,914.83

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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.