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Finding the Fourth Proportional to 50,295.38, 69,409.44 and 28,789.07

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Solution

The fourth proportional to 50,295.38, 69,409.44 and 28,789.07 is: 39,729.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,295.38 : 69,409.44 = 28,789.07 : x
  2. Step 2: Convert to fraction form
    50,295.38/69,409.44 = 28,789.07/x
  3. Step 3: Cross multiply
    50,295.38x = 69,409.44 × 28,789.07
  4. Step 4: Simplify right side
    50,295.38x = 1,998,232,879.77
  5. Step 5: Solve for x
    x = 1,998,232,879.77/50,295.38
  6. Step 6: Final answer
    x = 39,729.95

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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.