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Finding the Fourth Proportional to 2,651.74, 3,659.38 and 1,532.68

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Solution

The fourth proportional to 2,651.74, 3,659.38 and 1,532.68 is: 2,115.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,651.74 : 3,659.38 = 1,532.68 : x
  2. Step 2: Convert to fraction form
    2,651.74/3,659.38 = 1,532.68/x
  3. Step 3: Cross multiply
    2,651.74x = 3,659.38 × 1,532.68
  4. Step 4: Simplify right side
    2,651.74x = 5,608,632.58
  5. Step 5: Solve for x
    x = 5,608,632.58/2,651.74
  6. Step 6: Final answer
    x = 2,115.08

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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.