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Finding the Fourth Proportional to 36,703.58, 55,076.06 and 15,641.39

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Solution

The fourth proportional to 36,703.58, 55,076.06 and 15,641.39 is: 23,470.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,703.58 : 55,076.06 = 15,641.39 : x
  2. Step 2: Convert to fraction form
    36,703.58/55,076.06 = 15,641.39/x
  3. Step 3: Cross multiply
    36,703.58x = 55,076.06 × 15,641.39
  4. Step 4: Simplify right side
    36,703.58x = 861,466,310.92
  5. Step 5: Solve for x
    x = 861,466,310.92/36,703.58
  6. Step 6: Final answer
    x = 23,470.91

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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.