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Finding the Fourth Proportional to 16,997.75, 25,487.87 and 7,629.74

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Solution

The fourth proportional to 16,997.75, 25,487.87 and 7,629.74 is: 11,440.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,997.75 : 25,487.87 = 7,629.74 : x
  2. Step 2: Convert to fraction form
    16,997.75/25,487.87 = 7,629.74/x
  3. Step 3: Cross multiply
    16,997.75x = 25,487.87 × 7,629.74
  4. Step 4: Simplify right side
    16,997.75x = 194,465,894.61
  5. Step 5: Solve for x
    x = 194,465,894.61/16,997.75
  6. Step 6: Final answer
    x = 11,440.69

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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.