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Finding the Fourth Proportional to 18,009.99, 27,016.00 and 4,863.40

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Solution

The fourth proportional to 18,009.99, 27,016.00 and 4,863.40 is: 7,295.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,009.99 : 27,016.00 = 4,863.40 : x
  2. Step 2: Convert to fraction form
    18,009.99/27,016.00 = 4,863.40/x
  3. Step 3: Cross multiply
    18,009.99x = 27,016.00 × 4,863.40
  4. Step 4: Simplify right side
    18,009.99x = 131,389,534.70
  5. Step 5: Solve for x
    x = 131,389,534.70/18,009.99
  6. Step 6: Final answer
    x = 7,295.37

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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.