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Finding the Fourth Proportional to 50,365.44, 69,505.20 and 28,009.44

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Solution

The fourth proportional to 50,365.44, 69,505.20 and 28,009.44 is: 38,653.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,365.44 : 69,505.20 = 28,009.44 : x
  2. Step 2: Convert to fraction form
    50,365.44/69,505.20 = 28,009.44/x
  3. Step 3: Cross multiply
    50,365.44x = 69,505.20 × 28,009.44
  4. Step 4: Simplify right side
    50,365.44x = 1,946,801,729.09
  5. Step 5: Solve for x
    x = 1,946,801,729.09/50,365.44
  6. Step 6: Final answer
    x = 38,653.52

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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.