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Finding the Fourth Proportional to 50,704.56, 69,971.04 and 28,044.36

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Solution

The fourth proportional to 50,704.56, 69,971.04 and 28,044.36 is: 38,700.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,704.56 : 69,971.04 = 28,044.36 : x
  2. Step 2: Convert to fraction form
    50,704.56/69,971.04 = 28,044.36/x
  3. Step 3: Cross multiply
    50,704.56x = 69,971.04 × 28,044.36
  4. Step 4: Simplify right side
    50,704.56x = 1,962,293,035.33
  5. Step 5: Solve for x
    x = 1,962,293,035.33/50,704.56
  6. Step 6: Final answer
    x = 38,700.52

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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.