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Finding the Fourth Proportional to 67,821, 93,592.98 and 41,325

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Solution

The fourth proportional to 67,821, 93,592.98 and 41,325 is: 57,028.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,821 : 93,592.98 = 41,325 : x
  2. Step 2: Convert to fraction form
    67,821/93,592.98 = 41,325/x
  3. Step 3: Cross multiply
    67,821x = 93,592.98 × 41,325
  4. Step 4: Simplify right side
    67,821x = 3,867,729,898.50
  5. Step 5: Solve for x
    x = 3,867,729,898.50/67,821
  6. Step 6: Final answer
    x = 57,028.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.