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Finding the Fourth Proportional to 11,053.21, 16,581.03 and 3,262.03

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Solution

The fourth proportional to 11,053.21, 16,581.03 and 3,262.03 is: 4,893.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,053.21 : 16,581.03 = 3,262.03 : x
  2. Step 2: Convert to fraction form
    11,053.21/16,581.03 = 3,262.03/x
  3. Step 3: Cross multiply
    11,053.21x = 16,581.03 × 3,262.03
  4. Step 4: Simplify right side
    11,053.21x = 54,087,817.29
  5. Step 5: Solve for x
    x = 54,087,817.29/11,053.21
  6. Step 6: Final answer
    x = 4,893.40

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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.