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Finding the Fourth Proportional to 30,363.71, 41,913.48 and 22,831.92

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Solution

The fourth proportional to 30,363.71, 41,913.48 and 22,831.92 is: 31,516.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,363.71 : 41,913.48 = 22,831.92 : x
  2. Step 2: Convert to fraction form
    30,363.71/41,913.48 = 22,831.92/x
  3. Step 3: Cross multiply
    30,363.71x = 41,913.48 × 22,831.92
  4. Step 4: Simplify right side
    30,363.71x = 956,965,222.28
  5. Step 5: Solve for x
    x = 956,965,222.28/30,363.71
  6. Step 6: Final answer
    x = 31,516.75

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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.