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Finding the Fourth Proportional to 18,092.10, 24,972.51 and 11,022.01

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Solution

The fourth proportional to 18,092.10, 24,972.51 and 11,022.01 is: 15,213.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,092.10 : 24,972.51 = 11,022.01 : x
  2. Step 2: Convert to fraction form
    18,092.10/24,972.51 = 11,022.01/x
  3. Step 3: Cross multiply
    18,092.10x = 24,972.51 × 11,022.01
  4. Step 4: Simplify right side
    18,092.10x = 275,247,254.95
  5. Step 5: Solve for x
    x = 275,247,254.95/18,092.10
  6. Step 6: Final answer
    x = 15,213.67

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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.