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Finding the Fourth Proportional to 17,872.23, 24,661.95 and 9,914.28

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Solution

The fourth proportional to 17,872.23, 24,661.95 and 9,914.28 is: 13,680.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,872.23 : 24,661.95 = 9,914.28 : x
  2. Step 2: Convert to fraction form
    17,872.23/24,661.95 = 9,914.28/x
  3. Step 3: Cross multiply
    17,872.23x = 24,661.95 × 9,914.28
  4. Step 4: Simplify right side
    17,872.23x = 244,505,477.65
  5. Step 5: Solve for x
    x = 244,505,477.65/17,872.23
  6. Step 6: Final answer
    x = 13,680.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.