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Finding the Fourth Proportional to 44,169.60, 66,230.10 and 19,205.40

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Solution

The fourth proportional to 44,169.60, 66,230.10 and 19,205.40 is: 28,797.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,169.60 : 66,230.10 = 19,205.40 : x
  2. Step 2: Convert to fraction form
    44,169.60/66,230.10 = 19,205.40/x
  3. Step 3: Cross multiply
    44,169.60x = 66,230.10 × 19,205.40
  4. Step 4: Simplify right side
    44,169.60x = 1,271,975,562.54
  5. Step 5: Solve for x
    x = 1,271,975,562.54/44,169.60
  6. Step 6: Final answer
    x = 28,797.53

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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.