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Finding the Fourth Proportional to 8,796.85, 13,197.57 and 3,867.46

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Solution

The fourth proportional to 8,796.85, 13,197.57 and 3,867.46 is: 5,802.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,796.85 : 13,197.57 = 3,867.46 : x
  2. Step 2: Convert to fraction form
    8,796.85/13,197.57 = 3,867.46/x
  3. Step 3: Cross multiply
    8,796.85x = 13,197.57 × 3,867.46
  4. Step 4: Simplify right side
    8,796.85x = 51,041,074.07
  5. Step 5: Solve for x
    x = 51,041,074.07/8,796.85
  6. Step 6: Final answer
    x = 5,802.20

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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.