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Finding the Fourth Proportional to 37,548, 56,377.38 and 20,940.48

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Solution

The fourth proportional to 37,548, 56,377.38 and 20,940.48 is: 31,441.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,548 : 56,377.38 = 20,940.48 : x
  2. Step 2: Convert to fraction form
    37,548/56,377.38 = 20,940.48/x
  3. Step 3: Cross multiply
    37,548x = 56,377.38 × 20,940.48
  4. Step 4: Simplify right side
    37,548x = 1,180,569,398.34
  5. Step 5: Solve for x
    x = 1,180,569,398.34/37,548
  6. Step 6: Final answer
    x = 31,441.61

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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.