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Finding the Fourth Proportional to 14,660.91, 21,993.21 and 4,797.54

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Solution

The fourth proportional to 14,660.91, 21,993.21 and 4,797.54 is: 7,196.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,660.91 : 21,993.21 = 4,797.54 : x
  2. Step 2: Convert to fraction form
    14,660.91/21,993.21 = 4,797.54/x
  3. Step 3: Cross multiply
    14,660.91x = 21,993.21 × 4,797.54
  4. Step 4: Simplify right side
    14,660.91x = 105,513,304.70
  5. Step 5: Solve for x
    x = 105,513,304.70/14,660.91
  6. Step 6: Final answer
    x = 7,196.91

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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.