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Finding the Fourth Proportional to 5,718.79, 8,571.81 and 2,594.11

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Solution

The fourth proportional to 5,718.79, 8,571.81 and 2,594.11 is: 3,888.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,718.79 : 8,571.81 = 2,594.11 : x
  2. Step 2: Convert to fraction form
    5,718.79/8,571.81 = 2,594.11/x
  3. Step 3: Cross multiply
    5,718.79x = 8,571.81 × 2,594.11
  4. Step 4: Simplify right side
    5,718.79x = 22,236,218.04
  5. Step 5: Solve for x
    x = 22,236,218.04/5,718.79
  6. Step 6: Final answer
    x = 3,888.27

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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.