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Finding the Fourth Proportional to 4,825.28, 7,233 and 1,902.40

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Solution

The fourth proportional to 4,825.28, 7,233 and 1,902.40 is: 2,851.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,825.28 : 7,233 = 1,902.40 : x
  2. Step 2: Convert to fraction form
    4,825.28/7,233 = 1,902.40/x
  3. Step 3: Cross multiply
    4,825.28x = 7,233 × 1,902.40
  4. Step 4: Simplify right side
    4,825.28x = 13,760,059.20
  5. Step 5: Solve for x
    x = 13,760,059.20/4,825.28
  6. Step 6: Final answer
    x = 2,851.66

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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.