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Finding the Fourth Proportional to 50,152.91, 69,209.64 and 28,930.91

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Solution

The fourth proportional to 50,152.91, 69,209.64 and 28,930.91 is: 39,923.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,152.91 : 69,209.64 = 28,930.91 : x
  2. Step 2: Convert to fraction form
    50,152.91/69,209.64 = 28,930.91/x
  3. Step 3: Cross multiply
    50,152.91x = 69,209.64 × 28,930.91
  4. Step 4: Simplify right side
    50,152.91x = 2,002,297,865.97
  5. Step 5: Solve for x
    x = 2,002,297,865.97/50,152.91
  6. Step 6: Final answer
    x = 39,923.86

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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.