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Finding the Fourth Proportional to 54,104.78, 74,664.83 and 29,576.09

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Solution

The fourth proportional to 54,104.78, 74,664.83 and 29,576.09 is: 40,815.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,104.78 : 74,664.83 = 29,576.09 : x
  2. Step 2: Convert to fraction form
    54,104.78/74,664.83 = 29,576.09/x
  3. Step 3: Cross multiply
    54,104.78x = 74,664.83 × 29,576.09
  4. Step 4: Simplify right side
    54,104.78x = 2,208,293,210.71
  5. Step 5: Solve for x
    x = 2,208,293,210.71/54,104.78
  6. Step 6: Final answer
    x = 40,815.13

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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.