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Finding the Fourth Proportional to 36,563.66, 54,850.04 and 12,865.61

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Solution

The fourth proportional to 36,563.66, 54,850.04 and 12,865.61 is: 19,300.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,563.66 : 54,850.04 = 12,865.61 : x
  2. Step 2: Convert to fraction form
    36,563.66/54,850.04 = 12,865.61/x
  3. Step 3: Cross multiply
    36,563.66x = 54,850.04 × 12,865.61
  4. Step 4: Simplify right side
    36,563.66x = 705,678,884.55
  5. Step 5: Solve for x
    x = 705,678,884.55/36,563.66
  6. Step 6: Final answer
    x = 19,300.01

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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.