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Finding the Fourth Proportional to 44,855.48, 67,288.62 and 18,578.64

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Solution

The fourth proportional to 44,855.48, 67,288.62 and 18,578.64 is: 27,870.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,855.48 : 67,288.62 = 18,578.64 : x
  2. Step 2: Convert to fraction form
    44,855.48/67,288.62 = 18,578.64/x
  3. Step 3: Cross multiply
    44,855.48x = 67,288.62 × 18,578.64
  4. Step 4: Simplify right side
    44,855.48x = 1,250,131,047.08
  5. Step 5: Solve for x
    x = 1,250,131,047.08/44,855.48
  6. Step 6: Final answer
    x = 27,870.20

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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.