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Finding the Fourth Proportional to 18,202.99, 27,301.44 and 5,056.69

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Solution

The fourth proportional to 18,202.99, 27,301.44 and 5,056.69 is: 7,584.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,202.99 : 27,301.44 = 5,056.69 : x
  2. Step 2: Convert to fraction form
    18,202.99/27,301.44 = 5,056.69/x
  3. Step 3: Cross multiply
    18,202.99x = 27,301.44 × 5,056.69
  4. Step 4: Simplify right side
    18,202.99x = 138,054,782.13
  5. Step 5: Solve for x
    x = 138,054,782.13/18,202.99
  6. Step 6: Final answer
    x = 7,584.18

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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.