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Finding the Fourth Proportional to 18,463.14, 25,473.62 and 10,910.16

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Solution

The fourth proportional to 18,463.14, 25,473.62 and 10,910.16 is: 15,052.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,463.14 : 25,473.62 = 10,910.16 : x
  2. Step 2: Convert to fraction form
    18,463.14/25,473.62 = 10,910.16/x
  3. Step 3: Cross multiply
    18,463.14x = 25,473.62 × 10,910.16
  4. Step 4: Simplify right side
    18,463.14x = 277,921,297.25
  5. Step 5: Solve for x
    x = 277,921,297.25/18,463.14
  6. Step 6: Final answer
    x = 15,052.76

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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.