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Finding the Fourth Proportional to 48,898.82, 73,362.15 and 15,621.48

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Solution

The fourth proportional to 48,898.82, 73,362.15 and 15,621.48 is: 23,436.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,898.82 : 73,362.15 = 15,621.48 : x
  2. Step 2: Convert to fraction form
    48,898.82/73,362.15 = 15,621.48/x
  3. Step 3: Cross multiply
    48,898.82x = 73,362.15 × 15,621.48
  4. Step 4: Simplify right side
    48,898.82x = 1,146,025,358.98
  5. Step 5: Solve for x
    x = 1,146,025,358.98/48,898.82
  6. Step 6: Final answer
    x = 23,436.67

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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.