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Finding the Fourth Proportional to 37,805.40, 56,676.87 and 14,099.85

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Solution

The fourth proportional to 37,805.40, 56,676.87 and 14,099.85 is: 21,138.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,805.40 : 56,676.87 = 14,099.85 : x
  2. Step 2: Convert to fraction form
    37,805.40/56,676.87 = 14,099.85/x
  3. Step 3: Cross multiply
    37,805.40x = 56,676.87 × 14,099.85
  4. Step 4: Simplify right side
    37,805.40x = 799,135,365.47
  5. Step 5: Solve for x
    x = 799,135,365.47/37,805.40
  6. Step 6: Final answer
    x = 21,138.13

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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.