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Finding the Fourth Proportional to 48,171, 66,517.02 and 30,295.92

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Solution

The fourth proportional to 48,171, 66,517.02 and 30,295.92 is: 41,834.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,171 : 66,517.02 = 30,295.92 : x
  2. Step 2: Convert to fraction form
    48,171/66,517.02 = 30,295.92/x
  3. Step 3: Cross multiply
    48,171x = 66,517.02 × 30,295.92
  4. Step 4: Simplify right side
    48,171x = 2,015,194,316.56
  5. Step 5: Solve for x
    x = 2,015,194,316.56/48,171
  6. Step 6: Final answer
    x = 41,834.18

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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.