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Finding the Fourth Proportional to 14,622, 21,922.05 and 4,755.39

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Solution

The fourth proportional to 14,622, 21,922.05 and 4,755.39 is: 7,129.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,622 : 21,922.05 = 4,755.39 : x
  2. Step 2: Convert to fraction form
    14,622/21,922.05 = 4,755.39/x
  3. Step 3: Cross multiply
    14,622x = 21,922.05 × 4,755.39
  4. Step 4: Simplify right side
    14,622x = 104,247,897.35
  5. Step 5: Solve for x
    x = 104,247,897.35/14,622
  6. Step 6: Final answer
    x = 7,129.52

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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.