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Finding the Fourth Proportional to 37,236, 51,386.04 and 20,469.36

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Solution

The fourth proportional to 37,236, 51,386.04 and 20,469.36 is: 28,247.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,236 : 51,386.04 = 20,469.36 : x
  2. Step 2: Convert to fraction form
    37,236/51,386.04 = 20,469.36/x
  3. Step 3: Cross multiply
    37,236x = 51,386.04 × 20,469.36
  4. Step 4: Simplify right side
    37,236x = 1,051,839,351.73
  5. Step 5: Solve for x
    x = 1,051,839,351.73/37,236
  6. Step 6: Final answer
    x = 28,247.91

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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.