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Finding the Fourth Proportional to 4,452.58, 6,679.41 and 1,855.18

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Solution

The fourth proportional to 4,452.58, 6,679.41 and 1,855.18 is: 2,782.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,452.58 : 6,679.41 = 1,855.18 : x
  2. Step 2: Convert to fraction form
    4,452.58/6,679.41 = 1,855.18/x
  3. Step 3: Cross multiply
    4,452.58x = 6,679.41 × 1,855.18
  4. Step 4: Simplify right side
    4,452.58x = 12,391,507.84
  5. Step 5: Solve for x
    x = 12,391,507.84/4,452.58
  6. Step 6: Final answer
    x = 2,782.99

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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.