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Finding the Fourth Proportional to 6,473.79, 8,934.91 and 3,642.44

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Solution

The fourth proportional to 6,473.79, 8,934.91 and 3,642.44 is: 5,027.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,473.79 : 8,934.91 = 3,642.44 : x
  2. Step 2: Convert to fraction form
    6,473.79/8,934.91 = 3,642.44/x
  3. Step 3: Cross multiply
    6,473.79x = 8,934.91 × 3,642.44
  4. Step 4: Simplify right side
    6,473.79x = 32,544,819.80
  5. Step 5: Solve for x
    x = 32,544,819.80/6,473.79
  6. Step 6: Final answer
    x = 5,027.17

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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.