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Finding the Fourth Proportional to 56,550.72, 84,694.80 and 54,582.48

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Solution

The fourth proportional to 56,550.72, 84,694.80 and 54,582.48 is: 81,747.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,550.72 : 84,694.80 = 54,582.48 : x
  2. Step 2: Convert to fraction form
    56,550.72/84,694.80 = 54,582.48/x
  3. Step 3: Cross multiply
    56,550.72x = 84,694.80 × 54,582.48
  4. Step 4: Simplify right side
    56,550.72x = 4,622,852,227.10
  5. Step 5: Solve for x
    x = 4,622,852,227.10/56,550.72
  6. Step 6: Final answer
    x = 81,747.01

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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.