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Finding the Fourth Proportional to 18,534.42, 27,793.13 and 6,839.44

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Solution

The fourth proportional to 18,534.42, 27,793.13 and 6,839.44 is: 10,256.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,534.42 : 27,793.13 = 6,839.44 : x
  2. Step 2: Convert to fraction form
    18,534.42/27,793.13 = 6,839.44/x
  3. Step 3: Cross multiply
    18,534.42x = 27,793.13 × 6,839.44
  4. Step 4: Simplify right side
    18,534.42x = 190,089,341.37
  5. Step 5: Solve for x
    x = 190,089,341.37/18,534.42
  6. Step 6: Final answer
    x = 10,256.02

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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.