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Finding the Fourth Proportional to 17,617.14, 26,424.90 and 4,469.76

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Solution

The fourth proportional to 17,617.14, 26,424.90 and 4,469.76 is: 6,704.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,617.14 : 26,424.90 = 4,469.76 : x
  2. Step 2: Convert to fraction form
    17,617.14/26,424.90 = 4,469.76/x
  3. Step 3: Cross multiply
    17,617.14x = 26,424.90 × 4,469.76
  4. Step 4: Simplify right side
    17,617.14x = 118,112,961.02
  5. Step 5: Solve for x
    x = 118,112,961.02/17,617.14
  6. Step 6: Final answer
    x = 6,704.43

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1.5x scale

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.