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Finding the Fourth Proportional to 7,910.17, 11,871.09 and 3,750.17

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Solution

The fourth proportional to 7,910.17, 11,871.09 and 3,750.17 is: 5,628.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,910.17 : 11,871.09 = 3,750.17 : x
  2. Step 2: Convert to fraction form
    7,910.17/11,871.09 = 3,750.17/x
  3. Step 3: Cross multiply
    7,910.17x = 11,871.09 × 3,750.17
  4. Step 4: Simplify right side
    7,910.17x = 44,518,546.23
  5. Step 5: Solve for x
    x = 44,518,546.23/7,910.17
  6. Step 6: Final answer
    x = 5,628.02

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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.