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Finding the Fourth Proportional to 37,504.80, 51,756.49 and 20,737.80

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Solution

The fourth proportional to 37,504.80, 51,756.49 and 20,737.80 is: 28,618.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,504.80 : 51,756.49 = 20,737.80 : x
  2. Step 2: Convert to fraction form
    37,504.80/51,756.49 = 20,737.80/x
  3. Step 3: Cross multiply
    37,504.80x = 51,756.49 × 20,737.80
  4. Step 4: Simplify right side
    37,504.80x = 1,073,315,738.32
  5. Step 5: Solve for x
    x = 1,073,315,738.32/37,504.80
  6. Step 6: Final answer
    x = 28,618.09

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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.