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Finding the Fourth Proportional to 3,668.97, 5,065.37 and 2,412.26

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Solution

The fourth proportional to 3,668.97, 5,065.37 and 2,412.26 is: 3,330.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,668.97 : 5,065.37 = 2,412.26 : x
  2. Step 2: Convert to fraction form
    3,668.97/5,065.37 = 2,412.26/x
  3. Step 3: Cross multiply
    3,668.97x = 5,065.37 × 2,412.26
  4. Step 4: Simplify right side
    3,668.97x = 12,218,964.71
  5. Step 5: Solve for x
    x = 12,218,964.71/3,668.97
  6. Step 6: Final answer
    x = 3,330.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.