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Finding the Fourth Proportional to 63,644.86, 87,832.11 and 35,353.18

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Solution

The fourth proportional to 63,644.86, 87,832.11 and 35,353.18 is: 48,788.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,644.86 : 87,832.11 = 35,353.18 : x
  2. Step 2: Convert to fraction form
    63,644.86/87,832.11 = 35,353.18/x
  3. Step 3: Cross multiply
    63,644.86x = 87,832.11 × 35,353.18
  4. Step 4: Simplify right side
    63,644.86x = 3,105,144,394.61
  5. Step 5: Solve for x
    x = 3,105,144,394.61/63,644.86
  6. Step 6: Final answer
    x = 48,788.61

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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.