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Finding the Fourth Proportional to 8,904.70, 13,352.12 and 3,643.41

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Solution

The fourth proportional to 8,904.70, 13,352.12 and 3,643.41 is: 5,463.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,904.70 : 13,352.12 = 3,643.41 : x
  2. Step 2: Convert to fraction form
    8,904.70/13,352.12 = 3,643.41/x
  3. Step 3: Cross multiply
    8,904.70x = 13,352.12 × 3,643.41
  4. Step 4: Simplify right side
    8,904.70x = 48,647,180.39
  5. Step 5: Solve for x
    x = 48,647,180.39/8,904.70
  6. Step 6: Final answer
    x = 5,463.09

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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.