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Finding the Fourth Proportional to 11,892.08, 17,838.11 and 3,572.16

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Solution

The fourth proportional to 11,892.08, 17,838.11 and 3,572.16 is: 5,358.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,892.08 : 17,838.11 = 3,572.16 : x
  2. Step 2: Convert to fraction form
    11,892.08/17,838.11 = 3,572.16/x
  3. Step 3: Cross multiply
    11,892.08x = 17,838.11 × 3,572.16
  4. Step 4: Simplify right side
    11,892.08x = 63,720,583.02
  5. Step 5: Solve for x
    x = 63,720,583.02/11,892.08
  6. Step 6: Final answer
    x = 5,358.24

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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.