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Finding the Fourth Proportional to 18,557.16, 27,835.42 and 6,245.16

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Solution

The fourth proportional to 18,557.16, 27,835.42 and 6,245.16 is: 9,367.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,557.16 : 27,835.42 = 6,245.16 : x
  2. Step 2: Convert to fraction form
    18,557.16/27,835.42 = 6,245.16/x
  3. Step 3: Cross multiply
    18,557.16x = 27,835.42 × 6,245.16
  4. Step 4: Simplify right side
    18,557.16x = 173,836,651.57
  5. Step 5: Solve for x
    x = 173,836,651.57/18,557.16
  6. Step 6: Final answer
    x = 9,367.63

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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.