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Finding the Fourth Proportional to 9,338.84, 14,008.22 and 2,764.49

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Solution

The fourth proportional to 9,338.84, 14,008.22 and 2,764.49 is: 4,146.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,338.84 : 14,008.22 = 2,764.49 : x
  2. Step 2: Convert to fraction form
    9,338.84/14,008.22 = 2,764.49/x
  3. Step 3: Cross multiply
    9,338.84x = 14,008.22 × 2,764.49
  4. Step 4: Simplify right side
    9,338.84x = 38,725,500.24
  5. Step 5: Solve for x
    x = 38,725,500.24/9,338.84
  6. Step 6: Final answer
    x = 4,146.72

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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.