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Finding the Fourth Proportional to 68,004.84, 93,850.98 and 38,198.76

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Solution

The fourth proportional to 68,004.84, 93,850.98 and 38,198.76 is: 52,716.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,004.84 : 93,850.98 = 38,198.76 : x
  2. Step 2: Convert to fraction form
    68,004.84/93,850.98 = 38,198.76/x
  3. Step 3: Cross multiply
    68,004.84x = 93,850.98 × 38,198.76
  4. Step 4: Simplify right side
    68,004.84x = 3,584,991,060.78
  5. Step 5: Solve for x
    x = 3,584,991,060.78/68,004.84
  6. Step 6: Final answer
    x = 52,716.70

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1.5x scale

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.