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Finding the Fourth Proportional to 29,198.88, 43,804.80 and 13,608

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Solution

The fourth proportional to 29,198.88, 43,804.80 and 13,608 is: 20,415.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,198.88 : 43,804.80 = 13,608 : x
  2. Step 2: Convert to fraction form
    29,198.88/43,804.80 = 13,608/x
  3. Step 3: Cross multiply
    29,198.88x = 43,804.80 × 13,608
  4. Step 4: Simplify right side
    29,198.88x = 596,095,718.40
  5. Step 5: Solve for x
    x = 596,095,718.40/29,198.88
  6. Step 6: Final answer
    x = 20,415.02

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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.