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Finding the Fourth Proportional to 36,961.99, 51,007.76 and 20,194.99

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Solution

The fourth proportional to 36,961.99, 51,007.76 and 20,194.99 is: 27,869.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,961.99 : 51,007.76 = 20,194.99 : x
  2. Step 2: Convert to fraction form
    36,961.99/51,007.76 = 20,194.99/x
  3. Step 3: Cross multiply
    36,961.99x = 51,007.76 × 20,194.99
  4. Step 4: Simplify right side
    36,961.99x = 1,030,101,203.12
  5. Step 5: Solve for x
    x = 1,030,101,203.12/36,961.99
  6. Step 6: Final answer
    x = 27,869.20

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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.