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Finding the Fourth Proportional to 2,633.90, 3,634.65 and 1,454.90

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Solution

The fourth proportional to 2,633.90, 3,634.65 and 1,454.90 is: 2,007.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,633.90 : 3,634.65 = 1,454.90 : x
  2. Step 2: Convert to fraction form
    2,633.90/3,634.65 = 1,454.90/x
  3. Step 3: Cross multiply
    2,633.90x = 3,634.65 × 1,454.90
  4. Step 4: Simplify right side
    2,633.90x = 5,288,034.11
  5. Step 5: Solve for x
    x = 5,288,034.11/2,633.90
  6. Step 6: Final answer
    x = 2,007.69

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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.