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Finding the Fourth Proportional to 54,804.44, 82,200.20 and 15,364.72

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Solution

The fourth proportional to 54,804.44, 82,200.20 and 15,364.72 is: 23,045.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,804.44 : 82,200.20 = 15,364.72 : x
  2. Step 2: Convert to fraction form
    54,804.44/82,200.20 = 15,364.72/x
  3. Step 3: Cross multiply
    54,804.44x = 82,200.20 × 15,364.72
  4. Step 4: Simplify right side
    54,804.44x = 1,262,983,056.94
  5. Step 5: Solve for x
    x = 1,262,983,056.94/54,804.44
  6. Step 6: Final answer
    x = 23,045.27

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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.