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Finding the Fourth Proportional to 70,704.66, 97,573.11 and 38,874.27

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Solution

The fourth proportional to 70,704.66, 97,573.11 and 38,874.27 is: 53,646.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,704.66 : 97,573.11 = 38,874.27 : x
  2. Step 2: Convert to fraction form
    70,704.66/97,573.11 = 38,874.27/x
  3. Step 3: Cross multiply
    70,704.66x = 97,573.11 × 38,874.27
  4. Step 4: Simplify right side
    70,704.66x = 3,793,083,422.88
  5. Step 5: Solve for x
    x = 3,793,083,422.88/70,704.66
  6. Step 6: Final answer
    x = 53,646.87

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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.