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Finding the Fourth Proportional to 3,245.74, 4,866.35 and 1,601.91

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Solution

The fourth proportional to 3,245.74, 4,866.35 and 1,601.91 is: 2,401.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,245.74 : 4,866.35 = 1,601.91 : x
  2. Step 2: Convert to fraction form
    3,245.74/4,866.35 = 1,601.91/x
  3. Step 3: Cross multiply
    3,245.74x = 4,866.35 × 1,601.91
  4. Step 4: Simplify right side
    3,245.74x = 7,795,446.72
  5. Step 5: Solve for x
    x = 7,795,446.72/3,245.74
  6. Step 6: Final answer
    x = 2,401.75

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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.