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Finding the Fourth Proportional to 41,858.73, 62,788.08 and 18,480.51

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Solution

The fourth proportional to 41,858.73, 62,788.08 and 18,480.51 is: 27,720.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,858.73 : 62,788.08 = 18,480.51 : x
  2. Step 2: Convert to fraction form
    41,858.73/62,788.08 = 18,480.51/x
  3. Step 3: Cross multiply
    41,858.73x = 62,788.08 × 18,480.51
  4. Step 4: Simplify right side
    41,858.73x = 1,160,355,740.32
  5. Step 5: Solve for x
    x = 1,160,355,740.32/41,858.73
  6. Step 6: Final answer
    x = 27,720.76

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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.