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Finding the Fourth Proportional to 29,972.40, 44,879.40 and 24,021.60

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Solution

The fourth proportional to 29,972.40, 44,879.40 and 24,021.60 is: 35,968.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,972.40 : 44,879.40 = 24,021.60 : x
  2. Step 2: Convert to fraction form
    29,972.40/44,879.40 = 24,021.60/x
  3. Step 3: Cross multiply
    29,972.40x = 44,879.40 × 24,021.60
  4. Step 4: Simplify right side
    29,972.40x = 1,078,074,995.04
  5. Step 5: Solve for x
    x = 1,078,074,995.04/29,972.40
  6. Step 6: Final answer
    x = 35,968.92

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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.