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Finding the Fourth Proportional to 14,661.73, 21,992.28 and 3,568.48

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Solution

The fourth proportional to 14,661.73, 21,992.28 and 3,568.48 is: 5,352.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,661.73 : 21,992.28 = 3,568.48 : x
  2. Step 2: Convert to fraction form
    14,661.73/21,992.28 = 3,568.48/x
  3. Step 3: Cross multiply
    14,661.73x = 21,992.28 × 3,568.48
  4. Step 4: Simplify right side
    14,661.73x = 78,479,011.33
  5. Step 5: Solve for x
    x = 78,479,011.33/14,661.73
  6. Step 6: Final answer
    x = 5,352.64

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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.