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Finding the Fourth Proportional to 18,288.54, 27,444.29 and 7,194.93

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Solution

The fourth proportional to 18,288.54, 27,444.29 and 7,194.93 is: 10,796.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,288.54 : 27,444.29 = 7,194.93 : x
  2. Step 2: Convert to fraction form
    18,288.54/27,444.29 = 7,194.93/x
  3. Step 3: Cross multiply
    18,288.54x = 27,444.29 × 7,194.93
  4. Step 4: Simplify right side
    18,288.54x = 197,459,745.45
  5. Step 5: Solve for x
    x = 197,459,745.45/18,288.54
  6. Step 6: Final answer
    x = 10,796.91

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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.