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Finding the Fourth Proportional to 54,580.80, 81,846.90 and 25,007.70

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Solution

The fourth proportional to 54,580.80, 81,846.90 and 25,007.70 is: 37,500.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,580.80 : 81,846.90 = 25,007.70 : x
  2. Step 2: Convert to fraction form
    54,580.80/81,846.90 = 25,007.70/x
  3. Step 3: Cross multiply
    54,580.80x = 81,846.90 × 25,007.70
  4. Step 4: Simplify right side
    54,580.80x = 2,046,802,721.13
  5. Step 5: Solve for x
    x = 2,046,802,721.13/54,580.80
  6. Step 6: Final answer
    x = 37,500.42

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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.