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Finding the Fourth Proportional to 18,424.08, 27,644.22 and 6,739.04

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Solution

The fourth proportional to 18,424.08, 27,644.22 and 6,739.04 is: 10,111.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,424.08 : 27,644.22 = 6,739.04 : x
  2. Step 2: Convert to fraction form
    18,424.08/27,644.22 = 6,739.04/x
  3. Step 3: Cross multiply
    18,424.08x = 27,644.22 × 6,739.04
  4. Step 4: Simplify right side
    18,424.08x = 186,295,504.35
  5. Step 5: Solve for x
    x = 186,295,504.35/18,424.08
  6. Step 6: Final answer
    x = 10,111.52

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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.