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Finding the Fourth Proportional to 3,653.44, 5,478.53 and 2,266.72

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Solution

The fourth proportional to 3,653.44, 5,478.53 and 2,266.72 is: 3,399.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,653.44 : 5,478.53 = 2,266.72 : x
  2. Step 2: Convert to fraction form
    3,653.44/5,478.53 = 2,266.72/x
  3. Step 3: Cross multiply
    3,653.44x = 5,478.53 × 2,266.72
  4. Step 4: Simplify right side
    3,653.44x = 12,418,293.52
  5. Step 5: Solve for x
    x = 12,418,293.52/3,653.44
  6. Step 6: Final answer
    x = 3,399.07

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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.