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Finding the Fourth Proportional to 7,208.79, 10,797.53 and 3,503.22

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Solution

The fourth proportional to 7,208.79, 10,797.53 and 3,503.22 is: 5,247.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,208.79 : 10,797.53 = 3,503.22 : x
  2. Step 2: Convert to fraction form
    7,208.79/10,797.53 = 3,503.22/x
  3. Step 3: Cross multiply
    7,208.79x = 10,797.53 × 3,503.22
  4. Step 4: Simplify right side
    7,208.79x = 37,826,105.53
  5. Step 5: Solve for x
    x = 37,826,105.53/7,208.79
  6. Step 6: Final answer
    x = 5,247.22

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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.