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Finding the Fourth Proportional to 63,697.40, 87,910.94 and 41,102.08

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Solution

The fourth proportional to 63,697.40, 87,910.94 and 41,102.08 is: 56,726.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,697.40 : 87,910.94 = 41,102.08 : x
  2. Step 2: Convert to fraction form
    63,697.40/87,910.94 = 41,102.08/x
  3. Step 3: Cross multiply
    63,697.40x = 87,910.94 × 41,102.08
  4. Step 4: Simplify right side
    63,697.40x = 3,613,322,393.13
  5. Step 5: Solve for x
    x = 3,613,322,393.13/63,697.40
  6. Step 6: Final answer
    x = 56,726.37

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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.