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Finding the Fourth Proportional to 18,027.54, 27,045.63 and 7,494.30

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Solution

The fourth proportional to 18,027.54, 27,045.63 and 7,494.30 is: 11,243.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,027.54 : 27,045.63 = 7,494.30 : x
  2. Step 2: Convert to fraction form
    18,027.54/27,045.63 = 7,494.30/x
  3. Step 3: Cross multiply
    18,027.54x = 27,045.63 × 7,494.30
  4. Step 4: Simplify right side
    18,027.54x = 202,688,064.91
  5. Step 5: Solve for x
    x = 202,688,064.91/18,027.54
  6. Step 6: Final answer
    x = 11,243.25

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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.