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Finding the Fourth Proportional to 61,183.98, 91,774.88 and 16,810.56

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Solution

The fourth proportional to 61,183.98, 91,774.88 and 16,810.56 is: 25,215.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,183.98 : 91,774.88 = 16,810.56 : x
  2. Step 2: Convert to fraction form
    61,183.98/91,774.88 = 16,810.56/x
  3. Step 3: Cross multiply
    61,183.98x = 91,774.88 × 16,810.56
  4. Step 4: Simplify right side
    61,183.98x = 1,542,787,126.73
  5. Step 5: Solve for x
    x = 1,542,787,126.73/61,183.98
  6. Step 6: Final answer
    x = 25,215.54

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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.