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Finding the Fourth Proportional to 5,871.07, 8,806.61 and 1,975.38

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Solution

The fourth proportional to 5,871.07, 8,806.61 and 1,975.38 is: 2,963.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,871.07 : 8,806.61 = 1,975.38 : x
  2. Step 2: Convert to fraction form
    5,871.07/8,806.61 = 1,975.38/x
  3. Step 3: Cross multiply
    5,871.07x = 8,806.61 × 1,975.38
  4. Step 4: Simplify right side
    5,871.07x = 17,396,401.26
  5. Step 5: Solve for x
    x = 17,396,401.26/5,871.07
  6. Step 6: Final answer
    x = 2,963.07

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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.