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Finding the Fourth Proportional to 2,586.54, 3,571.11 and 1,703.84

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Solution

The fourth proportional to 2,586.54, 3,571.11 and 1,703.84 is: 2,352.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,586.54 : 3,571.11 = 1,703.84 : x
  2. Step 2: Convert to fraction form
    2,586.54/3,571.11 = 1,703.84/x
  3. Step 3: Cross multiply
    2,586.54x = 3,571.11 × 1,703.84
  4. Step 4: Simplify right side
    2,586.54x = 6,084,608.99
  5. Step 5: Solve for x
    x = 6,084,608.99/2,586.54
  6. Step 6: Final answer
    x = 2,352.41

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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.