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Finding the Fourth Proportional to 63,814.73, 88,062.86 and 39,954.56

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Solution

The fourth proportional to 63,814.73, 88,062.86 and 39,954.56 is: 55,136.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,814.73 : 88,062.86 = 39,954.56 : x
  2. Step 2: Convert to fraction form
    63,814.73/88,062.86 = 39,954.56/x
  3. Step 3: Cross multiply
    63,814.73x = 88,062.86 × 39,954.56
  4. Step 4: Simplify right side
    63,814.73x = 3,518,512,483.21
  5. Step 5: Solve for x
    x = 3,518,512,483.21/63,814.73
  6. Step 6: Final answer
    x = 55,136.37

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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.