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Finding the Fourth Proportional to 36,243.48, 54,368.95 and 12,550.98

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Solution

The fourth proportional to 36,243.48, 54,368.95 and 12,550.98 is: 18,827.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,243.48 : 54,368.95 = 12,550.98 : x
  2. Step 2: Convert to fraction form
    36,243.48/54,368.95 = 12,550.98/x
  3. Step 3: Cross multiply
    36,243.48x = 54,368.95 × 12,550.98
  4. Step 4: Simplify right side
    36,243.48x = 682,383,604.07
  5. Step 5: Solve for x
    x = 682,383,604.07/36,243.48
  6. Step 6: Final answer
    x = 18,827.76

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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.