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Finding the Fourth Proportional to 37,001.70, 55,531.71 and 13,644.54

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Solution

The fourth proportional to 37,001.70, 55,531.71 and 13,644.54 is: 20,477.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,001.70 : 55,531.71 = 13,644.54 : x
  2. Step 2: Convert to fraction form
    37,001.70/55,531.71 = 13,644.54/x
  3. Step 3: Cross multiply
    37,001.70x = 55,531.71 × 13,644.54
  4. Step 4: Simplify right side
    37,001.70x = 757,704,638.36
  5. Step 5: Solve for x
    x = 757,704,638.36/37,001.70
  6. Step 6: Final answer
    x = 20,477.56

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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.