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Finding the Fourth Proportional to 8,241.60, 11,373 and 4,656.48

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Solution

The fourth proportional to 8,241.60, 11,373 and 4,656.48 is: 6,425.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,241.60 : 11,373 = 4,656.48 : x
  2. Step 2: Convert to fraction form
    8,241.60/11,373 = 4,656.48/x
  3. Step 3: Cross multiply
    8,241.60x = 11,373 × 4,656.48
  4. Step 4: Simplify right side
    8,241.60x = 52,958,147.04
  5. Step 5: Solve for x
    x = 52,958,147.04/8,241.60
  6. Step 6: Final answer
    x = 6,425.71

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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.