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Finding the Fourth Proportional to 18,463.82, 25,480.04 and 10,080.32

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Solution

The fourth proportional to 18,463.82, 25,480.04 and 10,080.32 is: 13,910.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,463.82 : 25,480.04 = 10,080.32 : x
  2. Step 2: Convert to fraction form
    18,463.82/25,480.04 = 10,080.32/x
  3. Step 3: Cross multiply
    18,463.82x = 25,480.04 × 10,080.32
  4. Step 4: Simplify right side
    18,463.82x = 256,846,956.81
  5. Step 5: Solve for x
    x = 256,846,956.81/18,463.82
  6. Step 6: Final answer
    x = 13,910.82

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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.