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Finding the Fourth Proportional to 63,636.44, 87,617.03 and 48,480.53

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Solution

The fourth proportional to 63,636.44, 87,617.03 and 48,480.53 is: 66,749.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,636.44 : 87,617.03 = 48,480.53 : x
  2. Step 2: Convert to fraction form
    63,636.44/87,617.03 = 48,480.53/x
  3. Step 3: Cross multiply
    63,636.44x = 87,617.03 × 48,480.53
  4. Step 4: Simplify right side
    63,636.44x = 4,247,719,370.94
  5. Step 5: Solve for x
    x = 4,247,719,370.94/63,636.44
  6. Step 6: Final answer
    x = 66,749.80

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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.