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Finding the Fourth Proportional to 18,602.33, 27,905.00 and 8,736.21

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Solution

The fourth proportional to 18,602.33, 27,905.00 and 8,736.21 is: 13,105.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,602.33 : 27,905.00 = 8,736.21 : x
  2. Step 2: Convert to fraction form
    18,602.33/27,905.00 = 8,736.21/x
  3. Step 3: Cross multiply
    18,602.33x = 27,905.00 × 8,736.21
  4. Step 4: Simplify right side
    18,602.33x = 243,783,896.37
  5. Step 5: Solve for x
    x = 243,783,896.37/18,602.33
  6. Step 6: Final answer
    x = 13,105.02

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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.