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Finding the Fourth Proportional to 62,571.87, 93,858.93 and 20,452.05

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Solution

The fourth proportional to 62,571.87, 93,858.93 and 20,452.05 is: 30,678.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,571.87 : 93,858.93 = 20,452.05 : x
  2. Step 2: Convert to fraction form
    62,571.87/93,858.93 = 20,452.05/x
  3. Step 3: Cross multiply
    62,571.87x = 93,858.93 × 20,452.05
  4. Step 4: Simplify right side
    62,571.87x = 1,919,607,529.31
  5. Step 5: Solve for x
    x = 1,919,607,529.31/62,571.87
  6. Step 6: Final answer
    x = 30,678.44

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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.