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Finding the Fourth Proportional to 6,492.84, 9,737.20 and 2,109.26

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Solution

The fourth proportional to 6,492.84, 9,737.20 and 2,109.26 is: 3,163.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,492.84 : 9,737.20 = 2,109.26 : x
  2. Step 2: Convert to fraction form
    6,492.84/9,737.20 = 2,109.26/x
  3. Step 3: Cross multiply
    6,492.84x = 9,737.20 × 2,109.26
  4. Step 4: Simplify right side
    6,492.84x = 20,538,286.47
  5. Step 5: Solve for x
    x = 20,538,286.47/6,492.84
  6. Step 6: Final answer
    x = 3,163.22

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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.