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Finding the Fourth Proportional to 63,757.64, 87,981.83 and 35,072.40

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Solution

The fourth proportional to 63,757.64, 87,981.83 and 35,072.40 is: 48,397.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,757.64 : 87,981.83 = 35,072.40 : x
  2. Step 2: Convert to fraction form
    63,757.64/87,981.83 = 35,072.40/x
  3. Step 3: Cross multiply
    63,757.64x = 87,981.83 × 35,072.40
  4. Step 4: Simplify right side
    63,757.64x = 3,085,734,220.58
  5. Step 5: Solve for x
    x = 3,085,734,220.58/63,757.64
  6. Step 6: Final answer
    x = 48,397.87

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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.