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Finding the Fourth Proportional to 54,477.72, 75,187.38 and 33,269.28

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Solution

The fourth proportional to 54,477.72, 75,187.38 and 33,269.28 is: 45,916.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,477.72 : 75,187.38 = 33,269.28 : x
  2. Step 2: Convert to fraction form
    54,477.72/75,187.38 = 33,269.28/x
  3. Step 3: Cross multiply
    54,477.72x = 75,187.38 × 33,269.28
  4. Step 4: Simplify right side
    54,477.72x = 2,501,429,997.69
  5. Step 5: Solve for x
    x = 2,501,429,997.69/54,477.72
  6. Step 6: Final answer
    x = 45,916.57

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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.