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Finding the Fourth Proportional to 44,854.56, 67,243.62 and 19,880.99

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Solution

The fourth proportional to 44,854.56, 67,243.62 and 19,880.99 is: 29,804.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,854.56 : 67,243.62 = 19,880.99 : x
  2. Step 2: Convert to fraction form
    44,854.56/67,243.62 = 19,880.99/x
  3. Step 3: Cross multiply
    44,854.56x = 67,243.62 × 19,880.99
  4. Step 4: Simplify right side
    44,854.56x = 1,336,869,993.70
  5. Step 5: Solve for x
    x = 1,336,869,993.70/44,854.56
  6. Step 6: Final answer
    x = 29,804.55

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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.