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Finding the Fourth Proportional to 63,737.78, 87,956.97 and 35,443.22

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Solution

The fourth proportional to 63,737.78, 87,956.97 and 35,443.22 is: 48,910.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,737.78 : 87,956.97 = 35,443.22 : x
  2. Step 2: Convert to fraction form
    63,737.78/87,956.97 = 35,443.22/x
  3. Step 3: Cross multiply
    63,737.78x = 87,956.97 × 35,443.22
  4. Step 4: Simplify right side
    63,737.78x = 3,117,478,238.24
  5. Step 5: Solve for x
    x = 3,117,478,238.24/63,737.78
  6. Step 6: Final answer
    x = 48,910.99

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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.