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Finding the Fourth Proportional to 2,518.54, 3,772.40 and 2,449.42

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Solution

The fourth proportional to 2,518.54, 3,772.40 and 2,449.42 is: 3,668.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,518.54 : 3,772.40 = 2,449.42 : x
  2. Step 2: Convert to fraction form
    2,518.54/3,772.40 = 2,449.42/x
  3. Step 3: Cross multiply
    2,518.54x = 3,772.40 × 2,449.42
  4. Step 4: Simplify right side
    2,518.54x = 9,240,192.01
  5. Step 5: Solve for x
    x = 9,240,192.01/2,518.54
  6. Step 6: Final answer
    x = 3,668.87

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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.