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Finding the Fourth Proportional to 18,164.67, 27,243.99 and 5,014.05

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Solution

The fourth proportional to 18,164.67, 27,243.99 and 5,014.05 is: 7,520.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,164.67 : 27,243.99 = 5,014.05 : x
  2. Step 2: Convert to fraction form
    18,164.67/27,243.99 = 5,014.05/x
  3. Step 3: Cross multiply
    18,164.67x = 27,243.99 × 5,014.05
  4. Step 4: Simplify right side
    18,164.67x = 136,602,728.06
  5. Step 5: Solve for x
    x = 136,602,728.06/18,164.67
  6. Step 6: Final answer
    x = 7,520.24

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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.