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Finding the Fourth Proportional to 48,940.38, 73,415.43 and 15,652.08

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Solution

The fourth proportional to 48,940.38, 73,415.43 and 15,652.08 is: 23,479.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,940.38 : 73,415.43 = 15,652.08 : x
  2. Step 2: Convert to fraction form
    48,940.38/73,415.43 = 15,652.08/x
  3. Step 3: Cross multiply
    48,940.38x = 73,415.43 × 15,652.08
  4. Step 4: Simplify right side
    48,940.38x = 1,149,104,183.59
  5. Step 5: Solve for x
    x = 1,149,104,183.59/48,940.38
  6. Step 6: Final answer
    x = 23,479.67

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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.