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Finding the Fourth Proportional to 18,554.60, 27,832.80 and 6,072.14

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Solution

The fourth proportional to 18,554.60, 27,832.80 and 6,072.14 is: 9,108.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,554.60 : 27,832.80 = 6,072.14 : x
  2. Step 2: Convert to fraction form
    18,554.60/27,832.80 = 6,072.14/x
  3. Step 3: Cross multiply
    18,554.60x = 27,832.80 × 6,072.14
  4. Step 4: Simplify right side
    18,554.60x = 169,004,658.19
  5. Step 5: Solve for x
    x = 169,004,658.19/18,554.60
  6. Step 6: Final answer
    x = 9,108.50

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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.