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Finding the Fourth Proportional to 48,752.94, 73,129.41 and 11,816.94

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Solution

The fourth proportional to 48,752.94, 73,129.41 and 11,816.94 is: 17,725.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,752.94 : 73,129.41 = 11,816.94 : x
  2. Step 2: Convert to fraction form
    48,752.94/73,129.41 = 11,816.94/x
  3. Step 3: Cross multiply
    48,752.94x = 73,129.41 × 11,816.94
  4. Step 4: Simplify right side
    48,752.94x = 864,165,850.21
  5. Step 5: Solve for x
    x = 864,165,850.21/48,752.94
  6. Step 6: Final answer
    x = 17,725.41

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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.