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Finding the Fourth Proportional to 48,752.44, 73,128.66 and 11,816.44

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Solution

The fourth proportional to 48,752.44, 73,128.66 and 11,816.44 is: 17,724.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,752.44 : 73,128.66 = 11,816.44 : x
  2. Step 2: Convert to fraction form
    48,752.44/73,128.66 = 11,816.44/x
  3. Step 3: Cross multiply
    48,752.44x = 73,128.66 × 11,816.44
  4. Step 4: Simplify right side
    48,752.44x = 864,120,196.04
  5. Step 5: Solve for x
    x = 864,120,196.04/48,752.44
  6. Step 6: Final answer
    x = 17,724.66

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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.