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Finding the Fourth Proportional to 36,840.76, 50,840.25 and 20,073.76

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Solution

The fourth proportional to 36,840.76, 50,840.25 and 20,073.76 is: 27,701.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,840.76 : 50,840.25 = 20,073.76 : x
  2. Step 2: Convert to fraction form
    36,840.76/50,840.25 = 20,073.76/x
  3. Step 3: Cross multiply
    36,840.76x = 50,840.25 × 20,073.76
  4. Step 4: Simplify right side
    36,840.76x = 1,020,554,749.37
  5. Step 5: Solve for x
    x = 1,020,554,749.37/36,840.76
  6. Step 6: Final answer
    x = 27,701.79

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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.