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Finding the Fourth Proportional to 63,256.80, 87,298.90 and 34,961.88

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Solution

The fourth proportional to 63,256.80, 87,298.90 and 34,961.88 is: 48,249.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,256.80 : 87,298.90 = 34,961.88 : x
  2. Step 2: Convert to fraction form
    63,256.80/87,298.90 = 34,961.88/x
  3. Step 3: Cross multiply
    63,256.80x = 87,298.90 × 34,961.88
  4. Step 4: Simplify right side
    63,256.80x = 3,052,133,665.93
  5. Step 5: Solve for x
    x = 3,052,133,665.93/63,256.80
  6. Step 6: Final answer
    x = 48,249.89

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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.