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Finding the Fourth Proportional to 60,495.69, 90,743.67 and 18,376.11

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Solution

The fourth proportional to 60,495.69, 90,743.67 and 18,376.11 is: 27,564.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,495.69 : 90,743.67 = 18,376.11 : x
  2. Step 2: Convert to fraction form
    60,495.69/90,743.67 = 18,376.11/x
  3. Step 3: Cross multiply
    60,495.69x = 90,743.67 × 18,376.11
  4. Step 4: Simplify right side
    60,495.69x = 1,667,515,661.72
  5. Step 5: Solve for x
    x = 1,667,515,661.72/60,495.69
  6. Step 6: Final answer
    x = 27,564.21

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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.