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Finding the Fourth Proportional to 7,399, 11,101.26 and 3,017.56

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Solution

The fourth proportional to 7,399, 11,101.26 and 3,017.56 is: 4,527.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,399 : 11,101.26 = 3,017.56 : x
  2. Step 2: Convert to fraction form
    7,399/11,101.26 = 3,017.56/x
  3. Step 3: Cross multiply
    7,399x = 11,101.26 × 3,017.56
  4. Step 4: Simplify right side
    7,399x = 33,498,718.13
  5. Step 5: Solve for x
    x = 33,498,718.13/7,399
  6. Step 6: Final answer
    x = 4,527.47

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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.