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Finding the Fourth Proportional to 7,491.88, 11,239 and 3,333.34

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Solution

The fourth proportional to 7,491.88, 11,239 and 3,333.34 is: 5,000.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,491.88 : 11,239 = 3,333.34 : x
  2. Step 2: Convert to fraction form
    7,491.88/11,239 = 3,333.34/x
  3. Step 3: Cross multiply
    7,491.88x = 11,239 × 3,333.34
  4. Step 4: Simplify right side
    7,491.88x = 37,463,408.26
  5. Step 5: Solve for x
    x = 37,463,408.26/7,491.88
  6. Step 6: Final answer
    x = 5,000.54

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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.