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Finding the Fourth Proportional to 18,745.02, 27,979.02 and 16,531.29

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Solution

The fourth proportional to 18,745.02, 27,979.02 and 16,531.29 is: 24,674.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,745.02 : 27,979.02 = 16,531.29 : x
  2. Step 2: Convert to fraction form
    18,745.02/27,979.02 = 16,531.29/x
  3. Step 3: Cross multiply
    18,745.02x = 27,979.02 × 16,531.29
  4. Step 4: Simplify right side
    18,745.02x = 462,529,293.54
  5. Step 5: Solve for x
    x = 462,529,293.54/18,745.02
  6. Step 6: Final answer
    x = 24,674.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.