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Finding the Fourth Proportional to 18,559.30, 27,840.54 and 6,079.27

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Solution

The fourth proportional to 18,559.30, 27,840.54 and 6,079.27 is: 9,119.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,559.30 : 27,840.54 = 6,079.27 : x
  2. Step 2: Convert to fraction form
    18,559.30/27,840.54 = 6,079.27/x
  3. Step 3: Cross multiply
    18,559.30x = 27,840.54 × 6,079.27
  4. Step 4: Simplify right side
    18,559.30x = 169,250,144.41
  5. Step 5: Solve for x
    x = 169,250,144.41/18,559.30
  6. Step 6: Final answer
    x = 9,119.43

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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.