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Finding the Fourth Proportional to 1,632.98, 2,449.58 and 708.59

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Solution

The fourth proportional to 1,632.98, 2,449.58 and 708.59 is: 1,062.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,632.98 : 2,449.58 = 708.59 : x
  2. Step 2: Convert to fraction form
    1,632.98/2,449.58 = 708.59/x
  3. Step 3: Cross multiply
    1,632.98x = 2,449.58 × 708.59
  4. Step 4: Simplify right side
    1,632.98x = 1,735,746.57
  5. Step 5: Solve for x
    x = 1,735,746.57/1,632.98
  6. Step 6: Final answer
    x = 1,062.93

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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.