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Finding the Fourth Proportional to 5,646.82, 7,791.60 and 3,256.24

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Solution

The fourth proportional to 5,646.82, 7,791.60 and 3,256.24 is: 4,493.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,646.82 : 7,791.60 = 3,256.24 : x
  2. Step 2: Convert to fraction form
    5,646.82/7,791.60 = 3,256.24/x
  3. Step 3: Cross multiply
    5,646.82x = 7,791.60 × 3,256.24
  4. Step 4: Simplify right side
    5,646.82x = 25,371,319.58
  5. Step 5: Solve for x
    x = 25,371,319.58/5,646.82
  6. Step 6: Final answer
    x = 4,493.03

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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.