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Finding the Fourth Proportional to 33,239.78, 49,831.71 and 15,461.41

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Solution

The fourth proportional to 33,239.78, 49,831.71 and 15,461.41 is: 23,179.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,239.78 : 49,831.71 = 15,461.41 : x
  2. Step 2: Convert to fraction form
    33,239.78/49,831.71 = 15,461.41/x
  3. Step 3: Cross multiply
    33,239.78x = 49,831.71 × 15,461.41
  4. Step 4: Simplify right side
    33,239.78x = 770,468,499.31
  5. Step 5: Solve for x
    x = 770,468,499.31/33,239.78
  6. Step 6: Final answer
    x = 23,179.11

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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.