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Finding the Fourth Proportional to 6,633.21, 9,946.62 and 3,860.51

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Solution

The fourth proportional to 6,633.21, 9,946.62 and 3,860.51 is: 5,788.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,633.21 : 9,946.62 = 3,860.51 : x
  2. Step 2: Convert to fraction form
    6,633.21/9,946.62 = 3,860.51/x
  3. Step 3: Cross multiply
    6,633.21x = 9,946.62 × 3,860.51
  4. Step 4: Simplify right side
    6,633.21x = 38,399,025.98
  5. Step 5: Solve for x
    x = 38,399,025.98/6,633.21
  6. Step 6: Final answer
    x = 5,788.91

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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.