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Finding the Fourth Proportional to 63,757.86, 87,982.32 and 35,461.72

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Solution

The fourth proportional to 63,757.86, 87,982.32 and 35,461.72 is: 48,935.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,757.86 : 87,982.32 = 35,461.72 : x
  2. Step 2: Convert to fraction form
    63,757.86/87,982.32 = 35,461.72/x
  3. Step 3: Cross multiply
    63,757.86x = 87,982.32 × 35,461.72
  4. Step 4: Simplify right side
    63,757.86x = 3,120,004,440.28
  5. Step 5: Solve for x
    x = 3,120,004,440.28/63,757.86
  6. Step 6: Final answer
    x = 48,935.22

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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.