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Finding the Fourth Proportional to 37,522.75, 51,783.02 and 20,755.75

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Solution

The fourth proportional to 37,522.75, 51,783.02 and 20,755.75 is: 28,643.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,522.75 : 51,783.02 = 20,755.75 : x
  2. Step 2: Convert to fraction form
    37,522.75/51,783.02 = 20,755.75/x
  3. Step 3: Cross multiply
    37,522.75x = 51,783.02 × 20,755.75
  4. Step 4: Simplify right side
    37,522.75x = 1,074,795,417.37
  5. Step 5: Solve for x
    x = 1,074,795,417.37/37,522.75
  6. Step 6: Final answer
    x = 28,643.83

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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.