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Finding the Fourth Proportional to 50,951.84, 76,440.98 and 19,362.44

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Solution

The fourth proportional to 50,951.84, 76,440.98 and 19,362.44 is: 29,048.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,951.84 : 76,440.98 = 19,362.44 : x
  2. Step 2: Convert to fraction form
    50,951.84/76,440.98 = 19,362.44/x
  3. Step 3: Cross multiply
    50,951.84x = 76,440.98 × 19,362.44
  4. Step 4: Simplify right side
    50,951.84x = 1,480,084,128.30
  5. Step 5: Solve for x
    x = 1,480,084,128.30/50,951.84
  6. Step 6: Final answer
    x = 29,048.69

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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.