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Finding the Fourth Proportional to 67,297.52, 100,957.08 and 20,546.48

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Solution

The fourth proportional to 67,297.52, 100,957.08 and 20,546.48 is: 30,823.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,297.52 : 100,957.08 = 20,546.48 : x
  2. Step 2: Convert to fraction form
    67,297.52/100,957.08 = 20,546.48/x
  3. Step 3: Cross multiply
    67,297.52x = 100,957.08 × 20,546.48
  4. Step 4: Simplify right side
    67,297.52x = 2,074,312,625.08
  5. Step 5: Solve for x
    x = 2,074,312,625.08/67,297.52
  6. Step 6: Final answer
    x = 30,823.02

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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.