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Finding the Fourth Proportional to 2,622.76, 3,934.22 and 1,063.51

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Solution

The fourth proportional to 2,622.76, 3,934.22 and 1,063.51 is: 1,595.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,622.76 : 3,934.22 = 1,063.51 : x
  2. Step 2: Convert to fraction form
    2,622.76/3,934.22 = 1,063.51/x
  3. Step 3: Cross multiply
    2,622.76x = 3,934.22 × 1,063.51
  4. Step 4: Simplify right side
    2,622.76x = 4,184,067.16
  5. Step 5: Solve for x
    x = 4,184,067.16/2,622.76
  6. Step 6: Final answer
    x = 1,595.29

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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.