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Finding the Fourth Proportional to 48,797.21, 73,143.97 and 19,210.97

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Solution

The fourth proportional to 48,797.21, 73,143.97 and 19,210.97 is: 28,796.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,797.21 : 73,143.97 = 19,210.97 : x
  2. Step 2: Convert to fraction form
    48,797.21/73,143.97 = 19,210.97/x
  3. Step 3: Cross multiply
    48,797.21x = 73,143.97 × 19,210.97
  4. Step 4: Simplify right side
    48,797.21x = 1,405,166,613.35
  5. Step 5: Solve for x
    x = 1,405,166,613.35/48,797.21
  6. Step 6: Final answer
    x = 28,796.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.