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Finding the Fourth Proportional to 36,492.61, 50,359.87 and 19,725.61

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Solution

The fourth proportional to 36,492.61, 50,359.87 and 19,725.61 is: 27,221.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,492.61 : 50,359.87 = 19,725.61 : x
  2. Step 2: Convert to fraction form
    36,492.61/50,359.87 = 19,725.61/x
  3. Step 3: Cross multiply
    36,492.61x = 50,359.87 × 19,725.61
  4. Step 4: Simplify right side
    36,492.61x = 993,379,155.27
  5. Step 5: Solve for x
    x = 993,379,155.27/36,492.61
  6. Step 6: Final answer
    x = 27,221.38

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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.