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Finding the Fourth Proportional to 8,452.96, 11,648.64 and 6,090.64

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Solution

The fourth proportional to 8,452.96, 11,648.64 and 6,090.64 is: 8,393.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,452.96 : 11,648.64 = 6,090.64 : x
  2. Step 2: Convert to fraction form
    8,452.96/11,648.64 = 6,090.64/x
  3. Step 3: Cross multiply
    8,452.96x = 11,648.64 × 6,090.64
  4. Step 4: Simplify right side
    8,452.96x = 70,947,672.73
  5. Step 5: Solve for x
    x = 70,947,672.73/8,452.96
  6. Step 6: Final answer
    x = 8,393.23

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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.