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Finding the Fourth Proportional to 3,653.16, 5,474.53 and 2,827.56

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Solution

The fourth proportional to 3,653.16, 5,474.53 and 2,827.56 is: 4,237.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,653.16 : 5,474.53 = 2,827.56 : x
  2. Step 2: Convert to fraction form
    3,653.16/5,474.53 = 2,827.56/x
  3. Step 3: Cross multiply
    3,653.16x = 5,474.53 × 2,827.56
  4. Step 4: Simplify right side
    3,653.16x = 15,479,562.05
  5. Step 5: Solve for x
    x = 15,479,562.05/3,653.16
  6. Step 6: Final answer
    x = 4,237.31

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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.