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Finding the Fourth Proportional to 73,084.56, 109,626.92 and 17,680.56

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Solution

The fourth proportional to 73,084.56, 109,626.92 and 17,680.56 is: 26,520.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,084.56 : 109,626.92 = 17,680.56 : x
  2. Step 2: Convert to fraction form
    73,084.56/109,626.92 = 17,680.56/x
  3. Step 3: Cross multiply
    73,084.56x = 109,626.92 × 17,680.56
  4. Step 4: Simplify right side
    73,084.56x = 1,938,265,336.68
  5. Step 5: Solve for x
    x = 1,938,265,336.68/73,084.56
  6. Step 6: Final answer
    x = 26,520.86

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1.5x scale

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.