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Finding the Fourth Proportional to 63,711.48, 87,922.62 and 35,419.80

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Solution

The fourth proportional to 63,711.48, 87,922.62 and 35,419.80 is: 48,879.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,711.48 : 87,922.62 = 35,419.80 : x
  2. Step 2: Convert to fraction form
    63,711.48/87,922.62 = 35,419.80/x
  3. Step 3: Cross multiply
    63,711.48x = 87,922.62 × 35,419.80
  4. Step 4: Simplify right side
    63,711.48x = 3,114,201,615.88
  5. Step 5: Solve for x
    x = 3,114,201,615.88/63,711.48
  6. Step 6: Final answer
    x = 48,879.76

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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.