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Finding the Fourth Proportional to 48,898.49, 73,333.35 and 20,818.22

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Solution

The fourth proportional to 48,898.49, 73,333.35 and 20,818.22 is: 31,221.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,898.49 : 73,333.35 = 20,818.22 : x
  2. Step 2: Convert to fraction form
    48,898.49/73,333.35 = 20,818.22/x
  3. Step 3: Cross multiply
    48,898.49x = 73,333.35 × 20,818.22
  4. Step 4: Simplify right side
    48,898.49x = 1,526,669,446.97
  5. Step 5: Solve for x
    x = 1,526,669,446.97/48,898.49
  6. Step 6: Final answer
    x = 31,221.20

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