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Finding the Fourth Proportional to 63,717.30, 87,905.34 and 41,054.49

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Solution

The fourth proportional to 63,717.30, 87,905.34 and 41,054.49 is: 56,639.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,717.30 : 87,905.34 = 41,054.49 : x
  2. Step 2: Convert to fraction form
    63,717.30/87,905.34 = 41,054.49/x
  3. Step 3: Cross multiply
    63,717.30x = 87,905.34 × 41,054.49
  4. Step 4: Simplify right side
    63,717.30x = 3,608,908,901.98
  5. Step 5: Solve for x
    x = 3,608,908,901.98/63,717.30
  6. Step 6: Final answer
    x = 56,639.39

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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.