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Finding the Fourth Proportional to 37,787.90, 56,690.01 and 11,491.97

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Solution

The fourth proportional to 37,787.90, 56,690.01 and 11,491.97 is: 17,240.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,787.90 : 56,690.01 = 11,491.97 : x
  2. Step 2: Convert to fraction form
    37,787.90/56,690.01 = 11,491.97/x
  3. Step 3: Cross multiply
    37,787.90x = 56,690.01 × 11,491.97
  4. Step 4: Simplify right side
    37,787.90x = 651,479,610.77
  5. Step 5: Solve for x
    x = 651,479,610.77/37,787.90
  6. Step 6: Final answer
    x = 17,240.43

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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.