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Finding the Fourth Proportional to 7,179.03, 10,748.97 and 3,708.99

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Solution

The fourth proportional to 7,179.03, 10,748.97 and 3,708.99 is: 5,553.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,179.03 : 10,748.97 = 3,708.99 : x
  2. Step 2: Convert to fraction form
    7,179.03/10,748.97 = 3,708.99/x
  3. Step 3: Cross multiply
    7,179.03x = 10,748.97 × 3,708.99
  4. Step 4: Simplify right side
    7,179.03x = 39,867,822.24
  5. Step 5: Solve for x
    x = 39,867,822.24/7,179.03
  6. Step 6: Final answer
    x = 5,553.37

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1.5x scale

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.