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Finding the Fourth Proportional to 18,048.10, 27,076.76 and 6,951.80

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Solution

The fourth proportional to 18,048.10, 27,076.76 and 6,951.80 is: 10,429.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,048.10 : 27,076.76 = 6,951.80 : x
  2. Step 2: Convert to fraction form
    18,048.10/27,076.76 = 6,951.80/x
  3. Step 3: Cross multiply
    18,048.10x = 27,076.76 × 6,951.80
  4. Step 4: Simplify right side
    18,048.10x = 188,232,253.10
  5. Step 5: Solve for x
    x = 188,232,253.10/18,048.10
  6. Step 6: Final answer
    x = 10,429.48

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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.