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Finding the Fourth Proportional to 5,611.34, 7,743.62 and 3,254.82

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Solution

The fourth proportional to 5,611.34, 7,743.62 and 3,254.82 is: 4,491.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,611.34 : 7,743.62 = 3,254.82 : x
  2. Step 2: Convert to fraction form
    5,611.34/7,743.62 = 3,254.82/x
  3. Step 3: Cross multiply
    5,611.34x = 7,743.62 × 3,254.82
  4. Step 4: Simplify right side
    5,611.34x = 25,204,097.39
  5. Step 5: Solve for x
    x = 25,204,097.39/5,611.34
  6. Step 6: Final answer
    x = 4,491.64

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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.