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Finding the Fourth Proportional to 36,810.50, 50,801.11 and 20,895.99

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Solution

The fourth proportional to 36,810.50, 50,801.11 and 20,895.99 is: 28,837.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,810.50 : 50,801.11 = 20,895.99 : x
  2. Step 2: Convert to fraction form
    36,810.50/50,801.11 = 20,895.99/x
  3. Step 3: Cross multiply
    36,810.50x = 50,801.11 × 20,895.99
  4. Step 4: Simplify right side
    36,810.50x = 1,061,539,243.80
  5. Step 5: Solve for x
    x = 1,061,539,243.80/36,810.50
  6. Step 6: Final answer
    x = 28,837.95

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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.