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Finding the Fourth Proportional to 54,995.91, 75,894.40 and 29,845.41

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Solution

The fourth proportional to 54,995.91, 75,894.40 and 29,845.41 is: 41,186.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,995.91 : 75,894.40 = 29,845.41 : x
  2. Step 2: Convert to fraction form
    54,995.91/75,894.40 = 29,845.41/x
  3. Step 3: Cross multiply
    54,995.91x = 75,894.40 × 29,845.41
  4. Step 4: Simplify right side
    54,995.91x = 2,265,099,484.70
  5. Step 5: Solve for x
    x = 2,265,099,484.70/54,995.91
  6. Step 6: Final answer
    x = 41,186.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.