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Finding the Fourth Proportional to 45,039.92, 62,162.82 and 26,188

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Solution

The fourth proportional to 45,039.92, 62,162.82 and 26,188 is: 36,143.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,039.92 : 62,162.82 = 26,188 : x
  2. Step 2: Convert to fraction form
    45,039.92/62,162.82 = 26,188/x
  3. Step 3: Cross multiply
    45,039.92x = 62,162.82 × 26,188
  4. Step 4: Simplify right side
    45,039.92x = 1,627,919,930.16
  5. Step 5: Solve for x
    x = 1,627,919,930.16/45,039.92
  6. Step 6: Final answer
    x = 36,143.93

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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.