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Finding the Fourth Proportional to 14,679.75, 22,015 and 4,816.73

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Solution

The fourth proportional to 14,679.75, 22,015 and 4,816.73 is: 7,223.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,679.75 : 22,015 = 4,816.73 : x
  2. Step 2: Convert to fraction form
    14,679.75/22,015 = 4,816.73/x
  3. Step 3: Cross multiply
    14,679.75x = 22,015 × 4,816.73
  4. Step 4: Simplify right side
    14,679.75x = 106,040,310.95
  5. Step 5: Solve for x
    x = 106,040,310.95/14,679.75
  6. Step 6: Final answer
    x = 7,223.58

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1.5x scale

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.