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Finding the Fourth Proportional to 50,714.56, 69,980.69 and 28,049.95

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Solution

The fourth proportional to 50,714.56, 69,980.69 and 28,049.95 is: 38,705.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,714.56 : 69,980.69 = 28,049.95 : x
  2. Step 2: Convert to fraction form
    50,714.56/69,980.69 = 28,049.95/x
  3. Step 3: Cross multiply
    50,714.56x = 69,980.69 × 28,049.95
  4. Step 4: Simplify right side
    50,714.56x = 1,962,954,855.47
  5. Step 5: Solve for x
    x = 1,962,954,855.47/50,714.56
  6. Step 6: Final answer
    x = 38,705.94

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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.