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Finding the Fourth Proportional to 47,369.37, 71,039.81 and 39,028.71

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Solution

The fourth proportional to 47,369.37, 71,039.81 and 39,028.71 is: 58,531.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,369.37 : 71,039.81 = 39,028.71 : x
  2. Step 2: Convert to fraction form
    47,369.37/71,039.81 = 39,028.71/x
  3. Step 3: Cross multiply
    47,369.37x = 71,039.81 × 39,028.71
  4. Step 4: Simplify right side
    47,369.37x = 2,772,591,947.80
  5. Step 5: Solve for x
    x = 2,772,591,947.80/47,369.37
  6. Step 6: Final answer
    x = 58,531.32

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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.