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Finding the Fourth Proportional to 63,518.25, 87,648.89 and 36,669.42

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Solution

The fourth proportional to 63,518.25, 87,648.89 and 36,669.42 is: 50,600.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,518.25 : 87,648.89 = 36,669.42 : x
  2. Step 2: Convert to fraction form
    63,518.25/87,648.89 = 36,669.42/x
  3. Step 3: Cross multiply
    63,518.25x = 87,648.89 × 36,669.42
  4. Step 4: Simplify right side
    63,518.25x = 3,214,033,776.60
  5. Step 5: Solve for x
    x = 3,214,033,776.60/63,518.25
  6. Step 6: Final answer
    x = 50,600.16

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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.