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Finding the Fourth Proportional to 7,554, 11,331 and 2,937

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Solution

The fourth proportional to 7,554, 11,331 and 2,937 is: 4,405.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,554 : 11,331 = 2,937 : x
  2. Step 2: Convert to fraction form
    7,554/11,331 = 2,937/x
  3. Step 3: Cross multiply
    7,554x = 11,331 × 2,937
  4. Step 4: Simplify right side
    7,554x = 33,279,147
  5. Step 5: Solve for x
    x = 33,279,147/7,554
  6. Step 6: Final answer
    x = 4,405.50

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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.