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Finding the Fourth Proportional to 18,596.36, 27,889.68 and 8,733.80

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Solution

The fourth proportional to 18,596.36, 27,889.68 and 8,733.80 is: 13,098.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,596.36 : 27,889.68 = 8,733.80 : x
  2. Step 2: Convert to fraction form
    18,596.36/27,889.68 = 8,733.80/x
  3. Step 3: Cross multiply
    18,596.36x = 27,889.68 × 8,733.80
  4. Step 4: Simplify right side
    18,596.36x = 243,582,887.18
  5. Step 5: Solve for x
    x = 243,582,887.18/18,596.36
  6. Step 6: Final answer
    x = 13,098.42

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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.