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Finding the Fourth Proportional to 49,086, 73,627.38 and 15,807.96

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Solution

The fourth proportional to 49,086, 73,627.38 and 15,807.96 is: 23,711.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,086 : 73,627.38 = 15,807.96 : x
  2. Step 2: Convert to fraction form
    49,086/73,627.38 = 15,807.96/x
  3. Step 3: Cross multiply
    49,086x = 73,627.38 × 15,807.96
  4. Step 4: Simplify right side
    49,086x = 1,163,898,677.94
  5. Step 5: Solve for x
    x = 1,163,898,677.94/49,086
  6. Step 6: Final answer
    x = 23,711.42

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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.