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Finding the Fourth Proportional to 18,592.62, 27,890.37 and 4,741.50

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Solution

The fourth proportional to 18,592.62, 27,890.37 and 4,741.50 is: 7,112.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,592.62 : 27,890.37 = 4,741.50 : x
  2. Step 2: Convert to fraction form
    18,592.62/27,890.37 = 4,741.50/x
  3. Step 3: Cross multiply
    18,592.62x = 27,890.37 × 4,741.50
  4. Step 4: Simplify right side
    18,592.62x = 132,242,189.36
  5. Step 5: Solve for x
    x = 132,242,189.36/18,592.62
  6. Step 6: Final answer
    x = 7,112.62

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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.