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Finding the Fourth Proportional to 6,468, 9,705.50 and 5,010

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Solution

The fourth proportional to 6,468, 9,705.50 and 5,010 is: 7,517.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,468 : 9,705.50 = 5,010 : x
  2. Step 2: Convert to fraction form
    6,468/9,705.50 = 5,010/x
  3. Step 3: Cross multiply
    6,468x = 9,705.50 × 5,010
  4. Step 4: Simplify right side
    6,468x = 48,624,555
  5. Step 5: Solve for x
    x = 48,624,555/6,468
  6. Step 6: Final answer
    x = 7,517.71

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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.