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Finding the Fourth Proportional to 55,442.70, 83,175.01 and 17,995.82

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Solution

The fourth proportional to 55,442.70, 83,175.01 and 17,995.82 is: 26,997.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,442.70 : 83,175.01 = 17,995.82 : x
  2. Step 2: Convert to fraction form
    55,442.70/83,175.01 = 17,995.82/x
  3. Step 3: Cross multiply
    55,442.70x = 83,175.01 × 17,995.82
  4. Step 4: Simplify right side
    55,442.70x = 1,496,802,508.46
  5. Step 5: Solve for x
    x = 1,496,802,508.46/55,442.70
  6. Step 6: Final answer
    x = 26,997.29

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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.