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Finding the Fourth Proportional to 7,330.66, 10,994.76 and 2,649.78

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Solution

The fourth proportional to 7,330.66, 10,994.76 and 2,649.78 is: 3,974.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,330.66 : 10,994.76 = 2,649.78 : x
  2. Step 2: Convert to fraction form
    7,330.66/10,994.76 = 2,649.78/x
  3. Step 3: Cross multiply
    7,330.66x = 10,994.76 × 2,649.78
  4. Step 4: Simplify right side
    7,330.66x = 29,133,695.15
  5. Step 5: Solve for x
    x = 29,133,695.15/7,330.66
  6. Step 6: Final answer
    x = 3,974.23

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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.