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Finding the Fourth Proportional to 54,803.44, 82,198.70 and 15,363.72

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Solution

The fourth proportional to 54,803.44, 82,198.70 and 15,363.72 is: 23,043.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,803.44 : 82,198.70 = 15,363.72 : x
  2. Step 2: Convert to fraction form
    54,803.44/82,198.70 = 15,363.72/x
  3. Step 3: Cross multiply
    54,803.44x = 82,198.70 × 15,363.72
  4. Step 4: Simplify right side
    54,803.44x = 1,262,877,811.16
  5. Step 5: Solve for x
    x = 1,262,877,811.16/54,803.44
  6. Step 6: Final answer
    x = 23,043.77

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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.