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Finding the Fourth Proportional to 17,997.85, 26,997.41 and 4,850.54

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Solution

The fourth proportional to 17,997.85, 26,997.41 and 4,850.54 is: 7,275.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,997.85 : 26,997.41 = 4,850.54 : x
  2. Step 2: Convert to fraction form
    17,997.85/26,997.41 = 4,850.54/x
  3. Step 3: Cross multiply
    17,997.85x = 26,997.41 × 4,850.54
  4. Step 4: Simplify right side
    17,997.85x = 130,952,017.10
  5. Step 5: Solve for x
    x = 130,952,017.10/17,997.85
  6. Step 6: Final answer
    x = 7,275.98

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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.