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Finding the Fourth Proportional to 2,449.65, 3,668.40 and 2,340.30

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Solution

The fourth proportional to 2,449.65, 3,668.40 and 2,340.30 is: 3,504.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,449.65 : 3,668.40 = 2,340.30 : x
  2. Step 2: Convert to fraction form
    2,449.65/3,668.40 = 2,340.30/x
  3. Step 3: Cross multiply
    2,449.65x = 3,668.40 × 2,340.30
  4. Step 4: Simplify right side
    2,449.65x = 8,585,156.52
  5. Step 5: Solve for x
    x = 8,585,156.52/2,449.65
  6. Step 6: Final answer
    x = 3,504.65

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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.