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Finding the Fourth Proportional to 5,086.67, 7,630.10 and 3,342.79

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Solution

The fourth proportional to 5,086.67, 7,630.10 and 3,342.79 is: 5,014.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,086.67 : 7,630.10 = 3,342.79 : x
  2. Step 2: Convert to fraction form
    5,086.67/7,630.10 = 3,342.79/x
  3. Step 3: Cross multiply
    5,086.67x = 7,630.10 × 3,342.79
  4. Step 4: Simplify right side
    5,086.67x = 25,505,784.42
  5. Step 5: Solve for x
    x = 25,505,784.42/5,086.67
  6. Step 6: Final answer
    x = 5,014.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.