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Finding the Fourth Proportional to 48,662.22, 73,000.80 and 20,582.31

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Solution

The fourth proportional to 48,662.22, 73,000.80 and 20,582.31 is: 30,876.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,662.22 : 73,000.80 = 20,582.31 : x
  2. Step 2: Convert to fraction form
    48,662.22/73,000.80 = 20,582.31/x
  3. Step 3: Cross multiply
    48,662.22x = 73,000.80 × 20,582.31
  4. Step 4: Simplify right side
    48,662.22x = 1,502,525,095.85
  5. Step 5: Solve for x
    x = 1,502,525,095.85/48,662.22
  6. Step 6: Final answer
    x = 30,876.62

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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.