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Finding the Fourth Proportional to 18,048.21, 27,076.93 and 6,951.92

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Solution

The fourth proportional to 18,048.21, 27,076.93 and 6,951.92 is: 10,429.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,048.21 : 27,076.93 = 6,951.92 : x
  2. Step 2: Convert to fraction form
    18,048.21/27,076.93 = 6,951.92/x
  3. Step 3: Cross multiply
    18,048.21x = 27,076.93 × 6,951.92
  4. Step 4: Simplify right side
    18,048.21x = 188,236,727.93
  5. Step 5: Solve for x
    x = 188,236,727.93/18,048.21
  6. Step 6: Final answer
    x = 10,429.66

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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.