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Finding the Fourth Proportional to 54,558.69, 75,279.69 and 31,893.30

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Solution

The fourth proportional to 54,558.69, 75,279.69 and 31,893.30 is: 44,006.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,558.69 : 75,279.69 = 31,893.30 : x
  2. Step 2: Convert to fraction form
    54,558.69/75,279.69 = 31,893.30/x
  3. Step 3: Cross multiply
    54,558.69x = 75,279.69 × 31,893.30
  4. Step 4: Simplify right side
    54,558.69x = 2,400,917,737.08
  5. Step 5: Solve for x
    x = 2,400,917,737.08/54,558.69
  6. Step 6: Final answer
    x = 44,006.15

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1.5x scale

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.