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Finding the Fourth Proportional to 66,545.52, 91,831.39 and 36,329.37

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Solution

The fourth proportional to 66,545.52, 91,831.39 and 36,329.37 is: 50,133.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,545.52 : 91,831.39 = 36,329.37 : x
  2. Step 2: Convert to fraction form
    66,545.52/91,831.39 = 36,329.37/x
  3. Step 3: Cross multiply
    66,545.52x = 91,831.39 × 36,329.37
  4. Step 4: Simplify right side
    66,545.52x = 3,336,176,544.92
  5. Step 5: Solve for x
    x = 3,336,176,544.92/66,545.52
  6. Step 6: Final answer
    x = 50,133.75

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