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Finding the Fourth Proportional to 63,014.91, 86,962.55 and 36,162.33

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Solution

The fourth proportional to 63,014.91, 86,962.55 and 36,162.33 is: 49,905.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,014.91 : 86,962.55 = 36,162.33 : x
  2. Step 2: Convert to fraction form
    63,014.91/86,962.55 = 36,162.33/x
  3. Step 3: Cross multiply
    63,014.91x = 86,962.55 × 36,162.33
  4. Step 4: Simplify right side
    63,014.91x = 3,144,768,249.93
  5. Step 5: Solve for x
    x = 3,144,768,249.93/63,014.91
  6. Step 6: Final answer
    x = 49,905.15

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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.