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Finding the Fourth Proportional to 60,493.26, 90,743.46 and 18,374.76

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Solution

The fourth proportional to 60,493.26, 90,743.46 and 18,374.76 is: 27,563.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,493.26 : 90,743.46 = 18,374.76 : x
  2. Step 2: Convert to fraction form
    60,493.26/90,743.46 = 18,374.76/x
  3. Step 3: Cross multiply
    60,493.26x = 90,743.46 × 18,374.76
  4. Step 4: Simplify right side
    60,493.26x = 1,667,389,299.07
  5. Step 5: Solve for x
    x = 1,667,389,299.07/60,493.26
  6. Step 6: Final answer
    x = 27,563.22

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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.