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Finding the Fourth Proportional to 2,333.52, 3,221.84 and 1,633.68

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Solution

The fourth proportional to 2,333.52, 3,221.84 and 1,633.68 is: 2,255.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,333.52 : 3,221.84 = 1,633.68 : x
  2. Step 2: Convert to fraction form
    2,333.52/3,221.84 = 1,633.68/x
  3. Step 3: Cross multiply
    2,333.52x = 3,221.84 × 1,633.68
  4. Step 4: Simplify right side
    2,333.52x = 5,263,455.57
  5. Step 5: Solve for x
    x = 5,263,455.57/2,333.52
  6. Step 6: Final answer
    x = 2,255.59

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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.