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Finding the Fourth Proportional to 4,691.66, 6,474.94 and 2,803.25

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Solution

The fourth proportional to 4,691.66, 6,474.94 and 2,803.25 is: 3,868.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,691.66 : 6,474.94 = 2,803.25 : x
  2. Step 2: Convert to fraction form
    4,691.66/6,474.94 = 2,803.25/x
  3. Step 3: Cross multiply
    4,691.66x = 6,474.94 × 2,803.25
  4. Step 4: Simplify right side
    4,691.66x = 18,150,861.54
  5. Step 5: Solve for x
    x = 18,150,861.54/4,691.66
  6. Step 6: Final answer
    x = 3,868.75

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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.