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Finding the Fourth Proportional to 54,995.70, 82,503.81 and 25,393.98

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Solution

The fourth proportional to 54,995.70, 82,503.81 and 25,393.98 is: 38,095.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,995.70 : 82,503.81 = 25,393.98 : x
  2. Step 2: Convert to fraction form
    54,995.70/82,503.81 = 25,393.98/x
  3. Step 3: Cross multiply
    54,995.70x = 82,503.81 × 25,393.98
  4. Step 4: Simplify right side
    54,995.70x = 2,095,100,101.06
  5. Step 5: Solve for x
    x = 2,095,100,101.06/54,995.70
  6. Step 6: Final answer
    x = 38,095.71

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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.