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Finding the Fourth Proportional to 21,850.48, 32,772.48 and 10,754.16

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Solution

The fourth proportional to 21,850.48, 32,772.48 and 10,754.16 is: 16,129.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,850.48 : 32,772.48 = 10,754.16 : x
  2. Step 2: Convert to fraction form
    21,850.48/32,772.48 = 10,754.16/x
  3. Step 3: Cross multiply
    21,850.48x = 32,772.48 × 10,754.16
  4. Step 4: Simplify right side
    21,850.48x = 352,440,493.52
  5. Step 5: Solve for x
    x = 352,440,493.52/21,850.48
  6. Step 6: Final answer
    x = 16,129.65

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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.