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Finding the Fourth Proportional to 18,576.08, 27,864.13 and 8,037.48

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Solution

The fourth proportional to 18,576.08, 27,864.13 and 8,037.48 is: 12,056.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,576.08 : 27,864.13 = 8,037.48 : x
  2. Step 2: Convert to fraction form
    18,576.08/27,864.13 = 8,037.48/x
  3. Step 3: Cross multiply
    18,576.08x = 27,864.13 × 8,037.48
  4. Step 4: Simplify right side
    18,576.08x = 223,957,387.59
  5. Step 5: Solve for x
    x = 223,957,387.59/18,576.08
  6. Step 6: Final answer
    x = 12,056.22

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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.