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Finding the Fourth Proportional to 11,003, 15,184.20 and 6,529

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Solution

The fourth proportional to 11,003, 15,184.20 and 6,529 is: 9,010.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,003 : 15,184.20 = 6,529 : x
  2. Step 2: Convert to fraction form
    11,003/15,184.20 = 6,529/x
  3. Step 3: Cross multiply
    11,003x = 15,184.20 × 6,529
  4. Step 4: Simplify right side
    11,003x = 99,137,641.80
  5. Step 5: Solve for x
    x = 99,137,641.80/11,003
  6. Step 6: Final answer
    x = 9,010.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.