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Finding the Fourth Proportional to 22,661.48, 33,948.48 and 10,982.90

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Solution

The fourth proportional to 22,661.48, 33,948.48 and 10,982.90 is: 16,453.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,661.48 : 33,948.48 = 10,982.90 : x
  2. Step 2: Convert to fraction form
    22,661.48/33,948.48 = 10,982.90/x
  3. Step 3: Cross multiply
    22,661.48x = 33,948.48 × 10,982.90
  4. Step 4: Simplify right side
    22,661.48x = 372,852,760.99
  5. Step 5: Solve for x
    x = 372,852,760.99/22,661.48
  6. Step 6: Final answer
    x = 16,453.15

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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.