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Finding the Fourth Proportional to 14,579.67, 21,872.07 and 9,653.34

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Solution

The fourth proportional to 14,579.67, 21,872.07 and 9,653.34 is: 14,481.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,579.67 : 21,872.07 = 9,653.34 : x
  2. Step 2: Convert to fraction form
    14,579.67/21,872.07 = 9,653.34/x
  3. Step 3: Cross multiply
    14,579.67x = 21,872.07 × 9,653.34
  4. Step 4: Simplify right side
    14,579.67x = 211,138,528.21
  5. Step 5: Solve for x
    x = 211,138,528.21/14,579.67
  6. Step 6: Final answer
    x = 14,481.71

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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.