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Finding the Fourth Proportional to 14,753.19, 22,136.33 and 7,731.54

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Solution

The fourth proportional to 14,753.19, 22,136.33 and 7,731.54 is: 11,600.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,753.19 : 22,136.33 = 7,731.54 : x
  2. Step 2: Convert to fraction form
    14,753.19/22,136.33 = 7,731.54/x
  3. Step 3: Cross multiply
    14,753.19x = 22,136.33 × 7,731.54
  4. Step 4: Simplify right side
    14,753.19x = 171,147,814.39
  5. Step 5: Solve for x
    x = 171,147,814.39/14,753.19
  6. Step 6: Final answer
    x = 11,600.73

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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.