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Finding the Fourth Proportional to 23,797.89, 32,843.58 and 13,728.60

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Solution

The fourth proportional to 23,797.89, 32,843.58 and 13,728.60 is: 18,946.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,797.89 : 32,843.58 = 13,728.60 : x
  2. Step 2: Convert to fraction form
    23,797.89/32,843.58 = 13,728.60/x
  3. Step 3: Cross multiply
    23,797.89x = 32,843.58 × 13,728.60
  4. Step 4: Simplify right side
    23,797.89x = 450,896,372.39
  5. Step 5: Solve for x
    x = 450,896,372.39/23,797.89
  6. Step 6: Final answer
    x = 18,946.91

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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.