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Finding the Fourth Proportional to 1,632.24, 2,449.73 and 708.49

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Solution

The fourth proportional to 1,632.24, 2,449.73 and 708.49 is: 1,063.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,632.24 : 2,449.73 = 708.49 : x
  2. Step 2: Convert to fraction form
    1,632.24/2,449.73 = 708.49/x
  3. Step 3: Cross multiply
    1,632.24x = 2,449.73 × 708.49
  4. Step 4: Simplify right side
    1,632.24x = 1,735,609.21
  5. Step 5: Solve for x
    x = 1,735,609.21/1,632.24
  6. Step 6: Final answer
    x = 1,063.33

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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.