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Finding the Fourth Proportional to 62,124, 93,200.58 and 20,571

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Solution

The fourth proportional to 62,124, 93,200.58 and 20,571 is: 30,861.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,124 : 93,200.58 = 20,571 : x
  2. Step 2: Convert to fraction form
    62,124/93,200.58 = 20,571/x
  3. Step 3: Cross multiply
    62,124x = 93,200.58 × 20,571
  4. Step 4: Simplify right side
    62,124x = 1,917,229,131.18
  5. Step 5: Solve for x
    x = 1,917,229,131.18/62,124
  6. Step 6: Final answer
    x = 30,861.33

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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.