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Finding the Fourth Proportional to 29,991.20, 44,938.20 and 25,617.20

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Solution

The fourth proportional to 29,991.20, 44,938.20 and 25,617.20 is: 38,384.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,991.20 : 44,938.20 = 25,617.20 : x
  2. Step 2: Convert to fraction form
    29,991.20/44,938.20 = 25,617.20/x
  3. Step 3: Cross multiply
    29,991.20x = 44,938.20 × 25,617.20
  4. Step 4: Simplify right side
    29,991.20x = 1,151,190,857.04
  5. Step 5: Solve for x
    x = 1,151,190,857.04/29,991.20
  6. Step 6: Final answer
    x = 38,384.29

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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.