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Finding the Fourth Proportional to 7,334.74, 11,001.99 and 1,788.09

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Solution

The fourth proportional to 7,334.74, 11,001.99 and 1,788.09 is: 2,682.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,334.74 : 11,001.99 = 1,788.09 : x
  2. Step 2: Convert to fraction form
    7,334.74/11,001.99 = 1,788.09/x
  3. Step 3: Cross multiply
    7,334.74x = 11,001.99 × 1,788.09
  4. Step 4: Simplify right side
    7,334.74x = 19,672,548.30
  5. Step 5: Solve for x
    x = 19,672,548.30/7,334.74
  6. Step 6: Final answer
    x = 2,682.11

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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.