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Finding the Fourth Proportional to 18,299.94, 27,437.49 and 5,816.22

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Solution

The fourth proportional to 18,299.94, 27,437.49 and 5,816.22 is: 8,720.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,299.94 : 27,437.49 = 5,816.22 : x
  2. Step 2: Convert to fraction form
    18,299.94/27,437.49 = 5,816.22/x
  3. Step 3: Cross multiply
    18,299.94x = 27,437.49 × 5,816.22
  4. Step 4: Simplify right side
    18,299.94x = 159,582,478.09
  5. Step 5: Solve for x
    x = 159,582,478.09/18,299.94
  6. Step 6: Final answer
    x = 8,720.38

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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.