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Finding the Fourth Proportional to 1,571.67, 2,355.11 and 1,049.75

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Solution

The fourth proportional to 1,571.67, 2,355.11 and 1,049.75 is: 1,573.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571.67 : 2,355.11 = 1,049.75 : x
  2. Step 2: Convert to fraction form
    1,571.67/2,355.11 = 1,049.75/x
  3. Step 3: Cross multiply
    1,571.67x = 2,355.11 × 1,049.75
  4. Step 4: Simplify right side
    1,571.67x = 2,472,285.23
  5. Step 5: Solve for x
    x = 2,472,285.23/1,571.67
  6. Step 6: Final answer
    x = 1,573.03

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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.