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Finding the Fourth Proportional to 18,562.80, 27,846.90 and 6,080.70

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Solution

The fourth proportional to 18,562.80, 27,846.90 and 6,080.70 is: 9,121.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,562.80 : 27,846.90 = 6,080.70 : x
  2. Step 2: Convert to fraction form
    18,562.80/27,846.90 = 6,080.70/x
  3. Step 3: Cross multiply
    18,562.80x = 27,846.90 × 6,080.70
  4. Step 4: Simplify right side
    18,562.80x = 169,328,644.83
  5. Step 5: Solve for x
    x = 169,328,644.83/18,562.80
  6. Step 6: Final answer
    x = 9,121.93

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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.