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Finding the Fourth Proportional to 18,553.96, 27,840.51 and 8,694.24

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Solution

The fourth proportional to 18,553.96, 27,840.51 and 8,694.24 is: 13,045.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,553.96 : 27,840.51 = 8,694.24 : x
  2. Step 2: Convert to fraction form
    18,553.96/27,840.51 = 8,694.24/x
  3. Step 3: Cross multiply
    18,553.96x = 27,840.51 × 8,694.24
  4. Step 4: Simplify right side
    18,553.96x = 242,051,971.26
  5. Step 5: Solve for x
    x = 242,051,971.26/18,553.96
  6. Step 6: Final answer
    x = 13,045.84

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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.