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Finding the Fourth Proportional to 4,928.74, 7,389.26 and 2,462.32

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Solution

The fourth proportional to 4,928.74, 7,389.26 and 2,462.32 is: 3,691.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928.74 : 7,389.26 = 2,462.32 : x
  2. Step 2: Convert to fraction form
    4,928.74/7,389.26 = 2,462.32/x
  3. Step 3: Cross multiply
    4,928.74x = 7,389.26 × 2,462.32
  4. Step 4: Simplify right side
    4,928.74x = 18,194,722.68
  5. Step 5: Solve for x
    x = 18,194,722.68/4,928.74
  6. Step 6: Final answer
    x = 3,691.56

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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.