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Finding the Fourth Proportional to 6,805, 10,209.93 and 3,344.68

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Solution

The fourth proportional to 6,805, 10,209.93 and 3,344.68 is: 5,018.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,805 : 10,209.93 = 3,344.68 : x
  2. Step 2: Convert to fraction form
    6,805/10,209.93 = 3,344.68/x
  3. Step 3: Cross multiply
    6,805x = 10,209.93 × 3,344.68
  4. Step 4: Simplify right side
    6,805x = 34,148,948.67
  5. Step 5: Solve for x
    x = 34,148,948.67/6,805
  6. Step 6: Final answer
    x = 5,018.21

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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.