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Finding the Fourth Proportional to 18,040.92, 27,061.38 and 6,351.45

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Solution

The fourth proportional to 18,040.92, 27,061.38 and 6,351.45 is: 9,527.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,040.92 : 27,061.38 = 6,351.45 : x
  2. Step 2: Convert to fraction form
    18,040.92/27,061.38 = 6,351.45/x
  3. Step 3: Cross multiply
    18,040.92x = 27,061.38 × 6,351.45
  4. Step 4: Simplify right side
    18,040.92x = 171,879,002.00
  5. Step 5: Solve for x
    x = 171,879,002.00/18,040.92
  6. Step 6: Final answer
    x = 9,527.18

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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.