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Finding the Fourth Proportional to 4,836.89, 7,243.01 and 3,188.43

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Solution

The fourth proportional to 4,836.89, 7,243.01 and 3,188.43 is: 4,774.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,836.89 : 7,243.01 = 3,188.43 : x
  2. Step 2: Convert to fraction form
    4,836.89/7,243.01 = 3,188.43/x
  3. Step 3: Cross multiply
    4,836.89x = 7,243.01 × 3,188.43
  4. Step 4: Simplify right side
    4,836.89x = 23,093,838.35
  5. Step 5: Solve for x
    x = 23,093,838.35/4,836.89
  6. Step 6: Final answer
    x = 4,774.53

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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.