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Finding the Fourth Proportional to 10,244.70, 15,367.11 and 2,849.70

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Solution

The fourth proportional to 10,244.70, 15,367.11 and 2,849.70 is: 4,274.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,244.70 : 15,367.11 = 2,849.70 : x
  2. Step 2: Convert to fraction form
    10,244.70/15,367.11 = 2,849.70/x
  3. Step 3: Cross multiply
    10,244.70x = 15,367.11 × 2,849.70
  4. Step 4: Simplify right side
    10,244.70x = 43,791,653.37
  5. Step 5: Solve for x
    x = 43,791,653.37/10,244.70
  6. Step 6: Final answer
    x = 4,274.57

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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.