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Finding the Fourth Proportional to 55,469.96, 83,218.07 and 18,030.04

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Solution

The fourth proportional to 55,469.96, 83,218.07 and 18,030.04 is: 27,049.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,469.96 : 83,218.07 = 18,030.04 : x
  2. Step 2: Convert to fraction form
    55,469.96/83,218.07 = 18,030.04/x
  3. Step 3: Cross multiply
    55,469.96x = 83,218.07 × 18,030.04
  4. Step 4: Simplify right side
    55,469.96x = 1,500,425,130.82
  5. Step 5: Solve for x
    x = 1,500,425,130.82/55,469.96
  6. Step 6: Final answer
    x = 27,049.33

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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.