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Finding the Fourth Proportional to 5,836.91, 8,756.74 and 1,676.81

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Solution

The fourth proportional to 5,836.91, 8,756.74 and 1,676.81 is: 2,515.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,836.91 : 8,756.74 = 1,676.81 : x
  2. Step 2: Convert to fraction form
    5,836.91/8,756.74 = 1,676.81/x
  3. Step 3: Cross multiply
    5,836.91x = 8,756.74 × 1,676.81
  4. Step 4: Simplify right side
    5,836.91x = 14,683,413.19
  5. Step 5: Solve for x
    x = 14,683,413.19/5,836.91
  6. Step 6: Final answer
    x = 2,515.62

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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.