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Finding the Fourth Proportional to 36,576.61, 50,479.83 and 20,662.09

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Solution

The fourth proportional to 36,576.61, 50,479.83 and 20,662.09 is: 28,516.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,576.61 : 50,479.83 = 20,662.09 : x
  2. Step 2: Convert to fraction form
    36,576.61/50,479.83 = 20,662.09/x
  3. Step 3: Cross multiply
    36,576.61x = 50,479.83 × 20,662.09
  4. Step 4: Simplify right side
    36,576.61x = 1,043,018,664.45
  5. Step 5: Solve for x
    x = 1,043,018,664.45/36,576.61
  6. Step 6: Final answer
    x = 28,516.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.