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Finding the Fourth Proportional to 63,578.85, 87,737.07 and 34,898.48

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Solution

The fourth proportional to 63,578.85, 87,737.07 and 34,898.48 is: 48,158.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,578.85 : 87,737.07 = 34,898.48 : x
  2. Step 2: Convert to fraction form
    63,578.85/87,737.07 = 34,898.48/x
  3. Step 3: Cross multiply
    63,578.85x = 87,737.07 × 34,898.48
  4. Step 4: Simplify right side
    63,578.85x = 3,061,889,943.97
  5. Step 5: Solve for x
    x = 3,061,889,943.97/63,578.85
  6. Step 6: Final answer
    x = 48,158.94

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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.