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Finding the Fourth Proportional to 7,224.19, 10,836.28 and 2,607.19

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Solution

The fourth proportional to 7,224.19, 10,836.28 and 2,607.19 is: 3,910.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,224.19 : 10,836.28 = 2,607.19 : x
  2. Step 2: Convert to fraction form
    7,224.19/10,836.28 = 2,607.19/x
  3. Step 3: Cross multiply
    7,224.19x = 10,836.28 × 2,607.19
  4. Step 4: Simplify right side
    7,224.19x = 28,252,240.85
  5. Step 5: Solve for x
    x = 28,252,240.85/7,224.19
  6. Step 6: Final answer
    x = 3,910.78

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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.