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Finding the Fourth Proportional to 67,695.44, 101,636.33 and 34,438

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Solution

The fourth proportional to 67,695.44, 101,636.33 and 34,438 is: 51,704.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,695.44 : 101,636.33 = 34,438 : x
  2. Step 2: Convert to fraction form
    67,695.44/101,636.33 = 34,438/x
  3. Step 3: Cross multiply
    67,695.44x = 101,636.33 × 34,438
  4. Step 4: Simplify right side
    67,695.44x = 3,500,151,932.54
  5. Step 5: Solve for x
    x = 3,500,151,932.54/67,695.44
  6. Step 6: Final answer
    x = 51,704.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.