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Finding the Fourth Proportional to 4,905.08, 6,772.44 and 3,768.86

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Solution

The fourth proportional to 4,905.08, 6,772.44 and 3,768.86 is: 5,203.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.08 : 6,772.44 = 3,768.86 : x
  2. Step 2: Convert to fraction form
    4,905.08/6,772.44 = 3,768.86/x
  3. Step 3: Cross multiply
    4,905.08x = 6,772.44 × 3,768.86
  4. Step 4: Simplify right side
    4,905.08x = 25,524,344.36
  5. Step 5: Solve for x
    x = 25,524,344.36/4,905.08
  6. Step 6: Final answer
    x = 5,203.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.