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Finding the Fourth Proportional to 36,653.92, 50,570.80 and 21,541.74

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Solution

The fourth proportional to 36,653.92, 50,570.80 and 21,541.74 is: 29,720.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,653.92 : 50,570.80 = 21,541.74 : x
  2. Step 2: Convert to fraction form
    36,653.92/50,570.80 = 21,541.74/x
  3. Step 3: Cross multiply
    36,653.92x = 50,570.80 × 21,541.74
  4. Step 4: Simplify right side
    36,653.92x = 1,089,383,025.19
  5. Step 5: Solve for x
    x = 1,089,383,025.19/36,653.92
  6. Step 6: Final answer
    x = 29,720.78

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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.