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Finding the Fourth Proportional to 11,937.12, 17,902.08 and 5,010.08

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Solution

The fourth proportional to 11,937.12, 17,902.08 and 5,010.08 is: 7,513.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,937.12 : 17,902.08 = 5,010.08 : x
  2. Step 2: Convert to fraction form
    11,937.12/17,902.08 = 5,010.08/x
  3. Step 3: Cross multiply
    11,937.12x = 17,902.08 × 5,010.08
  4. Step 4: Simplify right side
    11,937.12x = 89,690,852.97
  5. Step 5: Solve for x
    x = 89,690,852.97/11,937.12
  6. Step 6: Final answer
    x = 7,513.61

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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.