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Finding the Fourth Proportional to 28,768.77, 43,105.77 and 25,029

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Solution

The fourth proportional to 28,768.77, 43,105.77 and 25,029 is: 37,502.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,768.77 : 43,105.77 = 25,029 : x
  2. Step 2: Convert to fraction form
    28,768.77/43,105.77 = 25,029/x
  3. Step 3: Cross multiply
    28,768.77x = 43,105.77 × 25,029
  4. Step 4: Simplify right side
    28,768.77x = 1,078,894,317.33
  5. Step 5: Solve for x
    x = 1,078,894,317.33/28,768.77
  6. Step 6: Final answer
    x = 37,502.27

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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.