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Finding the Fourth Proportional to 22,527.72, 33,819.12 and 20,693.88

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Solution

The fourth proportional to 22,527.72, 33,819.12 and 20,693.88 is: 31,066.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,527.72 : 33,819.12 = 20,693.88 : x
  2. Step 2: Convert to fraction form
    22,527.72/33,819.12 = 20,693.88/x
  3. Step 3: Cross multiply
    22,527.72x = 33,819.12 × 20,693.88
  4. Step 4: Simplify right side
    22,527.72x = 699,848,810.99
  5. Step 5: Solve for x
    x = 699,848,810.99/22,527.72
  6. Step 6: Final answer
    x = 31,066.12

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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.