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Finding the Fourth Proportional to 44,878.56, 67,313.04 and 19,919.04

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Solution

The fourth proportional to 44,878.56, 67,313.04 and 19,919.04 is: 29,876.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,878.56 : 67,313.04 = 19,919.04 : x
  2. Step 2: Convert to fraction form
    44,878.56/67,313.04 = 19,919.04/x
  3. Step 3: Cross multiply
    44,878.56x = 67,313.04 × 19,919.04
  4. Step 4: Simplify right side
    44,878.56x = 1,340,811,136.28
  5. Step 5: Solve for x
    x = 1,340,811,136.28/44,878.56
  6. Step 6: Final answer
    x = 29,876.43

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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.