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Finding the Fourth Proportional to 3,144.07, 4,716.71 and 1,500.74

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Solution

The fourth proportional to 3,144.07, 4,716.71 and 1,500.74 is: 2,251.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.07 : 4,716.71 = 1,500.74 : x
  2. Step 2: Convert to fraction form
    3,144.07/4,716.71 = 1,500.74/x
  3. Step 3: Cross multiply
    3,144.07x = 4,716.71 × 1,500.74
  4. Step 4: Simplify right side
    3,144.07x = 7,078,555.37
  5. Step 5: Solve for x
    x = 7,078,555.37/3,144.07
  6. Step 6: Final answer
    x = 2,251.40

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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.