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Finding the Fourth Proportional to 5,461.73, 7,536.97 and 3,071.64

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Solution

The fourth proportional to 5,461.73, 7,536.97 and 3,071.64 is: 4,238.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,461.73 : 7,536.97 = 3,071.64 : x
  2. Step 2: Convert to fraction form
    5,461.73/7,536.97 = 3,071.64/x
  3. Step 3: Cross multiply
    5,461.73x = 7,536.97 × 3,071.64
  4. Step 4: Simplify right side
    5,461.73x = 23,150,850.85
  5. Step 5: Solve for x
    x = 23,150,850.85/5,461.73
  6. Step 6: Final answer
    x = 4,238.74

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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.