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Finding the Fourth Proportional to 18,124.96, 27,189.36 and 8,884

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Solution

The fourth proportional to 18,124.96, 27,189.36 and 8,884 is: 13,326.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,124.96 : 27,189.36 = 8,884 : x
  2. Step 2: Convert to fraction form
    18,124.96/27,189.36 = 8,884/x
  3. Step 3: Cross multiply
    18,124.96x = 27,189.36 × 8,884
  4. Step 4: Simplify right side
    18,124.96x = 241,550,274.24
  5. Step 5: Solve for x
    x = 241,550,274.24/18,124.96
  6. Step 6: Final answer
    x = 13,326.94

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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.