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Finding the Fourth Proportional to 18,558.56, 27,846.76 and 8,696.24

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Solution

The fourth proportional to 18,558.56, 27,846.76 and 8,696.24 is: 13,048.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,558.56 : 27,846.76 = 8,696.24 : x
  2. Step 2: Convert to fraction form
    18,558.56/27,846.76 = 8,696.24/x
  3. Step 3: Cross multiply
    18,558.56x = 27,846.76 × 8,696.24
  4. Step 4: Simplify right side
    18,558.56x = 242,162,108.18
  5. Step 5: Solve for x
    x = 242,162,108.18/18,558.56
  6. Step 6: Final answer
    x = 13,048.54

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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.