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Finding the Fourth Proportional to 37,578.93, 56,377.91 and 11,283.90

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Solution

The fourth proportional to 37,578.93, 56,377.91 and 11,283.90 is: 16,928.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,578.93 : 56,377.91 = 11,283.90 : x
  2. Step 2: Convert to fraction form
    37,578.93/56,377.91 = 11,283.90/x
  3. Step 3: Cross multiply
    37,578.93x = 56,377.91 × 11,283.90
  4. Step 4: Simplify right side
    37,578.93x = 636,162,698.65
  5. Step 5: Solve for x
    x = 636,162,698.65/37,578.93
  6. Step 6: Final answer
    x = 16,928.71

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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.