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Finding the Fourth Proportional to 60,755.82, 91,136.49 and 18,632.82

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Solution

The fourth proportional to 60,755.82, 91,136.49 and 18,632.82 is: 27,950.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,755.82 : 91,136.49 = 18,632.82 : x
  2. Step 2: Convert to fraction form
    60,755.82/91,136.49 = 18,632.82/x
  3. Step 3: Cross multiply
    60,755.82x = 91,136.49 × 18,632.82
  4. Step 4: Simplify right side
    60,755.82x = 1,698,129,813.60
  5. Step 5: Solve for x
    x = 1,698,129,813.60/60,755.82
  6. Step 6: Final answer
    x = 27,950.08

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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.