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Finding the Fourth Proportional to 67,600.64, 101,391.96 and 17,676.74

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Solution

The fourth proportional to 67,600.64, 101,391.96 and 17,676.74 is: 26,512.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,600.64 : 101,391.96 = 17,676.74 : x
  2. Step 2: Convert to fraction form
    67,600.64/101,391.96 = 17,676.74/x
  3. Step 3: Cross multiply
    67,600.64x = 101,391.96 × 17,676.74
  4. Step 4: Simplify right side
    67,600.64x = 1,792,279,315.01
  5. Step 5: Solve for x
    x = 1,792,279,315.01/67,600.64
  6. Step 6: Final answer
    x = 26,512.76

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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.