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Finding the Fourth Proportional to 7,553.03, 11,332.67 and 3,390.26

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Solution

The fourth proportional to 7,553.03, 11,332.67 and 3,390.26 is: 5,086.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,553.03 : 11,332.67 = 3,390.26 : x
  2. Step 2: Convert to fraction form
    7,553.03/11,332.67 = 3,390.26/x
  3. Step 3: Cross multiply
    7,553.03x = 11,332.67 × 3,390.26
  4. Step 4: Simplify right side
    7,553.03x = 38,420,624.18
  5. Step 5: Solve for x
    x = 38,420,624.18/7,553.03
  6. Step 6: Final answer
    x = 5,086.79

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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.