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Finding the Fourth Proportional to 2,441.88, 3,663.54 and 903

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Solution

The fourth proportional to 2,441.88, 3,663.54 and 903 is: 1,354.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,441.88 : 3,663.54 = 903 : x
  2. Step 2: Convert to fraction form
    2,441.88/3,663.54 = 903/x
  3. Step 3: Cross multiply
    2,441.88x = 3,663.54 × 903
  4. Step 4: Simplify right side
    2,441.88x = 3,308,176.62
  5. Step 5: Solve for x
    x = 3,308,176.62/2,441.88
  6. Step 6: Final answer
    x = 1,354.77

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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.