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Finding the Fourth Proportional to 2,750.49, 3,795.66 and 1,571.49

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Solution

The fourth proportional to 2,750.49, 3,795.66 and 1,571.49 is: 2,168.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750.49 : 3,795.66 = 1,571.49 : x
  2. Step 2: Convert to fraction form
    2,750.49/3,795.66 = 1,571.49/x
  3. Step 3: Cross multiply
    2,750.49x = 3,795.66 × 1,571.49
  4. Step 4: Simplify right side
    2,750.49x = 5,964,841.73
  5. Step 5: Solve for x
    x = 5,964,841.73/2,750.49
  6. Step 6: Final answer
    x = 2,168.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.