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Finding the Fourth Proportional to 23,797.20, 32,840.84 and 13,187.84

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Solution

The fourth proportional to 23,797.20, 32,840.84 and 13,187.84 is: 18,199.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,797.20 : 32,840.84 = 13,187.84 : x
  2. Step 2: Convert to fraction form
    23,797.20/32,840.84 = 13,187.84/x
  3. Step 3: Cross multiply
    23,797.20x = 32,840.84 × 13,187.84
  4. Step 4: Simplify right side
    23,797.20x = 433,099,743.39
  5. Step 5: Solve for x
    x = 433,099,743.39/23,797.20
  6. Step 6: Final answer
    x = 18,199.61

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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.