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Finding the Fourth Proportional to 7,244.88, 10,867.32 and 3,348.78

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Solution

The fourth proportional to 7,244.88, 10,867.32 and 3,348.78 is: 5,023.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,244.88 : 10,867.32 = 3,348.78 : x
  2. Step 2: Convert to fraction form
    7,244.88/10,867.32 = 3,348.78/x
  3. Step 3: Cross multiply
    7,244.88x = 10,867.32 × 3,348.78
  4. Step 4: Simplify right side
    7,244.88x = 36,392,263.87
  5. Step 5: Solve for x
    x = 36,392,263.87/7,244.88
  6. Step 6: Final answer
    x = 5,023.17

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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.