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Finding the Fourth Proportional to 55,894.54, 83,824.02 and 18,447.64

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Solution

The fourth proportional to 55,894.54, 83,824.02 and 18,447.64 is: 27,665.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,894.54 : 83,824.02 = 18,447.64 : x
  2. Step 2: Convert to fraction form
    55,894.54/83,824.02 = 18,447.64/x
  3. Step 3: Cross multiply
    55,894.54x = 83,824.02 × 18,447.64
  4. Step 4: Simplify right side
    55,894.54x = 1,546,355,344.31
  5. Step 5: Solve for x
    x = 1,546,355,344.31/55,894.54
  6. Step 6: Final answer
    x = 27,665.59

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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.