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Finding the Fourth Proportional to 37,131.92, 55,684.92 and 14,939.54

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Solution

The fourth proportional to 37,131.92, 55,684.92 and 14,939.54 is: 22,404.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,131.92 : 55,684.92 = 14,939.54 : x
  2. Step 2: Convert to fraction form
    37,131.92/55,684.92 = 14,939.54/x
  3. Step 3: Cross multiply
    37,131.92x = 55,684.92 × 14,939.54
  4. Step 4: Simplify right side
    37,131.92x = 831,907,089.74
  5. Step 5: Solve for x
    x = 831,907,089.74/37,131.92
  6. Step 6: Final answer
    x = 22,404.10

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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.