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Finding the Fourth Proportional to 36,370.99, 50,194.88 and 20,454.49

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Solution

The fourth proportional to 36,370.99, 50,194.88 and 20,454.49 is: 28,228.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,370.99 : 50,194.88 = 20,454.49 : x
  2. Step 2: Convert to fraction form
    36,370.99/50,194.88 = 20,454.49/x
  3. Step 3: Cross multiply
    36,370.99x = 50,194.88 × 20,454.49
  4. Step 4: Simplify right side
    36,370.99x = 1,026,710,596.66
  5. Step 5: Solve for x
    x = 1,026,710,596.66/36,370.99
  6. Step 6: Final answer
    x = 28,228.83

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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.