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Finding the Fourth Proportional to 50,784.40, 76,176.60 and 33,069.70

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Solution

The fourth proportional to 50,784.40, 76,176.60 and 33,069.70 is: 49,604.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,784.40 : 76,176.60 = 33,069.70 : x
  2. Step 2: Convert to fraction form
    50,784.40/76,176.60 = 33,069.70/x
  3. Step 3: Cross multiply
    50,784.40x = 76,176.60 × 33,069.70
  4. Step 4: Simplify right side
    50,784.40x = 2,519,137,309.02
  5. Step 5: Solve for x
    x = 2,519,137,309.02/50,784.40
  6. Step 6: Final answer
    x = 49,604.55

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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.