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Finding the Fourth Proportional to 29,918.40, 44,886.34 and 8,858.98

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Solution

The fourth proportional to 29,918.40, 44,886.34 and 8,858.98 is: 13,291.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,918.40 : 44,886.34 = 8,858.98 : x
  2. Step 2: Convert to fraction form
    29,918.40/44,886.34 = 8,858.98/x
  3. Step 3: Cross multiply
    29,918.40x = 44,886.34 × 8,858.98
  4. Step 4: Simplify right side
    29,918.40x = 397,647,188.33
  5. Step 5: Solve for x
    x = 397,647,188.33/29,918.40
  6. Step 6: Final answer
    x = 13,291.06

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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.