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Finding the Fourth Proportional to 10,107.30, 15,163 and 4,263.90

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Solution

The fourth proportional to 10,107.30, 15,163 and 4,263.90 is: 6,396.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,107.30 : 15,163 = 4,263.90 : x
  2. Step 2: Convert to fraction form
    10,107.30/15,163 = 4,263.90/x
  3. Step 3: Cross multiply
    10,107.30x = 15,163 × 4,263.90
  4. Step 4: Simplify right side
    10,107.30x = 64,653,515.70
  5. Step 5: Solve for x
    x = 64,653,515.70/10,107.30
  6. Step 6: Final answer
    x = 6,396.71

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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.