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Finding the Fourth Proportional to 68,297.49, 94,251.70 and 37,674.10

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Solution

The fourth proportional to 68,297.49, 94,251.70 and 37,674.10 is: 51,990.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,297.49 : 94,251.70 = 37,674.10 : x
  2. Step 2: Convert to fraction form
    68,297.49/94,251.70 = 37,674.10/x
  3. Step 3: Cross multiply
    68,297.49x = 94,251.70 × 37,674.10
  4. Step 4: Simplify right side
    68,297.49x = 3,550,847,876.78
  5. Step 5: Solve for x
    x = 3,550,847,876.78/68,297.49
  6. Step 6: Final answer
    x = 51,990.90

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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.