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Finding the Fourth Proportional to 5,717.79, 8,578.53 and 1,822.23

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Solution

The fourth proportional to 5,717.79, 8,578.53 and 1,822.23 is: 2,733.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,717.79 : 8,578.53 = 1,822.23 : x
  2. Step 2: Convert to fraction form
    5,717.79/8,578.53 = 1,822.23/x
  3. Step 3: Cross multiply
    5,717.79x = 8,578.53 × 1,822.23
  4. Step 4: Simplify right side
    5,717.79x = 15,632,054.72
  5. Step 5: Solve for x
    x = 15,632,054.72/5,717.79
  6. Step 6: Final answer
    x = 2,733.93

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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.