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Finding the Fourth Proportional to 67,091.55, 100,631.52 and 22,717.32

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Solution

The fourth proportional to 67,091.55, 100,631.52 and 22,717.32 is: 34,074.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,091.55 : 100,631.52 = 22,717.32 : x
  2. Step 2: Convert to fraction form
    67,091.55/100,631.52 = 22,717.32/x
  3. Step 3: Cross multiply
    67,091.55x = 100,631.52 × 22,717.32
  4. Step 4: Simplify right side
    67,091.55x = 2,286,078,441.93
  5. Step 5: Solve for x
    x = 2,286,078,441.93/67,091.55
  6. Step 6: Final answer
    x = 34,074.01

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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.