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Finding the Fourth Proportional to 37,978.44, 56,930.63 and 15,175.49

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Solution

The fourth proportional to 37,978.44, 56,930.63 and 15,175.49 is: 22,748.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,978.44 : 56,930.63 = 15,175.49 : x
  2. Step 2: Convert to fraction form
    37,978.44/56,930.63 = 15,175.49/x
  3. Step 3: Cross multiply
    37,978.44x = 56,930.63 × 15,175.49
  4. Step 4: Simplify right side
    37,978.44x = 863,950,206.26
  5. Step 5: Solve for x
    x = 863,950,206.26/37,978.44
  6. Step 6: Final answer
    x = 22,748.44

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1.5x scale

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.