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Finding the Fourth Proportional to 8,839.66, 13,258.41 and 3,644.86

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Solution

The fourth proportional to 8,839.66, 13,258.41 and 3,644.86 is: 5,466.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,839.66 : 13,258.41 = 3,644.86 : x
  2. Step 2: Convert to fraction form
    8,839.66/13,258.41 = 3,644.86/x
  3. Step 3: Cross multiply
    8,839.66x = 13,258.41 × 3,644.86
  4. Step 4: Simplify right side
    8,839.66x = 48,325,048.27
  5. Step 5: Solve for x
    x = 48,325,048.27/8,839.66
  6. Step 6: Final answer
    x = 5,466.84

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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.