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Finding the Fourth Proportional to 14,662.19, 21,993.09 and 3,568.88

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Solution

The fourth proportional to 14,662.19, 21,993.09 and 3,568.88 is: 5,353.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,662.19 : 21,993.09 = 3,568.88 : x
  2. Step 2: Convert to fraction form
    14,662.19/21,993.09 = 3,568.88/x
  3. Step 3: Cross multiply
    14,662.19x = 21,993.09 × 3,568.88
  4. Step 4: Simplify right side
    14,662.19x = 78,490,754.02
  5. Step 5: Solve for x
    x = 78,490,754.02/14,662.19
  6. Step 6: Final answer
    x = 5,353.28

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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.