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Finding the Fourth Proportional to 7,296.75, 10,945.73 and 2,102.63

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Solution

The fourth proportional to 7,296.75, 10,945.73 and 2,102.63 is: 3,154.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,296.75 : 10,945.73 = 2,102.63 : x
  2. Step 2: Convert to fraction form
    7,296.75/10,945.73 = 2,102.63/x
  3. Step 3: Cross multiply
    7,296.75x = 10,945.73 × 2,102.63
  4. Step 4: Simplify right side
    7,296.75x = 23,014,770.80
  5. Step 5: Solve for x
    x = 23,014,770.80/7,296.75
  6. Step 6: Final answer
    x = 3,154.11

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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.