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Finding the Fourth Proportional to 37,338.99, 51,527.78 and 20,571.99

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Solution

The fourth proportional to 37,338.99, 51,527.78 and 20,571.99 is: 28,389.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,338.99 : 51,527.78 = 20,571.99 : x
  2. Step 2: Convert to fraction form
    37,338.99/51,527.78 = 20,571.99/x
  3. Step 3: Cross multiply
    37,338.99x = 51,527.78 × 20,571.99
  4. Step 4: Simplify right side
    37,338.99x = 1,060,028,755.94
  5. Step 5: Solve for x
    x = 1,060,028,755.94/37,338.99
  6. Step 6: Final answer
    x = 28,389.33

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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.