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Finding the Fourth Proportional to 29,918.36, 44,878.01 and 8,860.54

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Solution

The fourth proportional to 29,918.36, 44,878.01 and 8,860.54 is: 13,290.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,918.36 : 44,878.01 = 8,860.54 : x
  2. Step 2: Convert to fraction form
    29,918.36/44,878.01 = 8,860.54/x
  3. Step 3: Cross multiply
    29,918.36x = 44,878.01 × 8,860.54
  4. Step 4: Simplify right side
    29,918.36x = 397,643,312.68
  5. Step 5: Solve for x
    x = 397,643,312.68/29,918.36
  6. Step 6: Final answer
    x = 13,290.95

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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.