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Finding the Fourth Proportional to 8,808.39, 13,214.58 and 2,964.87

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Solution

The fourth proportional to 8,808.39, 13,214.58 and 2,964.87 is: 4,447.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,808.39 : 13,214.58 = 2,964.87 : x
  2. Step 2: Convert to fraction form
    8,808.39/13,214.58 = 2,964.87/x
  3. Step 3: Cross multiply
    8,808.39x = 13,214.58 × 2,964.87
  4. Step 4: Simplify right side
    8,808.39x = 39,179,511.80
  5. Step 5: Solve for x
    x = 39,179,511.80/8,808.39
  6. Step 6: Final answer
    x = 4,447.98

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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.