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Finding the Fourth Proportional to 52,504.44, 78,745.92 and 15,054.48

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Solution

The fourth proportional to 52,504.44, 78,745.92 and 15,054.48 is: 22,578.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,504.44 : 78,745.92 = 15,054.48 : x
  2. Step 2: Convert to fraction form
    52,504.44/78,745.92 = 15,054.48/x
  3. Step 3: Cross multiply
    52,504.44x = 78,745.92 × 15,054.48
  4. Step 4: Simplify right side
    52,504.44x = 1,185,478,877.72
  5. Step 5: Solve for x
    x = 1,185,478,877.72/52,504.44
  6. Step 6: Final answer
    x = 22,578.64

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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.