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Finding the Fourth Proportional to 9,663.73, 14,495.40 and 3,089.91

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Solution

The fourth proportional to 9,663.73, 14,495.40 and 3,089.91 is: 4,634.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,663.73 : 14,495.40 = 3,089.91 : x
  2. Step 2: Convert to fraction form
    9,663.73/14,495.40 = 3,089.91/x
  3. Step 3: Cross multiply
    9,663.73x = 14,495.40 × 3,089.91
  4. Step 4: Simplify right side
    9,663.73x = 44,789,481.41
  5. Step 5: Solve for x
    x = 44,789,481.41/9,663.73
  6. Step 6: Final answer
    x = 4,634.80

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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.