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Finding the Fourth Proportional to 18,299.48, 27,453.11 and 7,055.11

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Solution

The fourth proportional to 18,299.48, 27,453.11 and 7,055.11 is: 10,584.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,299.48 : 27,453.11 = 7,055.11 : x
  2. Step 2: Convert to fraction form
    18,299.48/27,453.11 = 7,055.11/x
  3. Step 3: Cross multiply
    18,299.48x = 27,453.11 × 7,055.11
  4. Step 4: Simplify right side
    18,299.48x = 193,684,606.98
  5. Step 5: Solve for x
    x = 193,684,606.98/18,299.48
  6. Step 6: Final answer
    x = 10,584.16

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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.