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Finding the Fourth Proportional to 4,072.37, 6,108.57 and 994.37

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Solution

The fourth proportional to 4,072.37, 6,108.57 and 994.37 is: 1,491.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,072.37 : 6,108.57 = 994.37 : x
  2. Step 2: Convert to fraction form
    4,072.37/6,108.57 = 994.37/x
  3. Step 3: Cross multiply
    4,072.37x = 6,108.57 × 994.37
  4. Step 4: Simplify right side
    4,072.37x = 6,074,178.75
  5. Step 5: Solve for x
    x = 6,074,178.75/4,072.37
  6. Step 6: Final answer
    x = 1,491.56

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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.