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Finding the Fourth Proportional to 3,651.68, 5,042.27 and 3,468.22

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Solution

The fourth proportional to 3,651.68, 5,042.27 and 3,468.22 is: 4,788.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,651.68 : 5,042.27 = 3,468.22 : x
  2. Step 2: Convert to fraction form
    3,651.68/5,042.27 = 3,468.22/x
  3. Step 3: Cross multiply
    3,651.68x = 5,042.27 × 3,468.22
  4. Step 4: Simplify right side
    3,651.68x = 17,487,701.66
  5. Step 5: Solve for x
    x = 17,487,701.66/3,651.68
  6. Step 6: Final answer
    x = 4,788.95

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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.