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Finding the Fourth Proportional to 33,523.20, 50,155.20 and 21,859.20

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Solution

The fourth proportional to 33,523.20, 50,155.20 and 21,859.20 is: 32,704.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,523.20 : 50,155.20 = 21,859.20 : x
  2. Step 2: Convert to fraction form
    33,523.20/50,155.20 = 21,859.20/x
  3. Step 3: Cross multiply
    33,523.20x = 50,155.20 × 21,859.20
  4. Step 4: Simplify right side
    33,523.20x = 1,096,352,547.84
  5. Step 5: Solve for x
    x = 1,096,352,547.84/33,523.20
  6. Step 6: Final answer
    x = 32,704.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.