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Finding the Fourth Proportional to 66,572.82, 91,866.43 and 36,352.00

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Solution

The fourth proportional to 66,572.82, 91,866.43 and 36,352.00 is: 50,163.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,572.82 : 91,866.43 = 36,352.00 : x
  2. Step 2: Convert to fraction form
    66,572.82/91,866.43 = 36,352.00/x
  3. Step 3: Cross multiply
    66,572.82x = 91,866.43 × 36,352.00
  4. Step 4: Simplify right side
    66,572.82x = 3,339,528,142.81
  5. Step 5: Solve for x
    x = 3,339,528,142.81/66,572.82
  6. Step 6: Final answer
    x = 50,163.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.