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Finding the Fourth Proportional to 48,672.88, 73,017.21 and 19,074.67

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Solution

The fourth proportional to 48,672.88, 73,017.21 and 19,074.67 is: 28,615.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,672.88 : 73,017.21 = 19,074.67 : x
  2. Step 2: Convert to fraction form
    48,672.88/73,017.21 = 19,074.67/x
  3. Step 3: Cross multiply
    48,672.88x = 73,017.21 × 19,074.67
  4. Step 4: Simplify right side
    48,672.88x = 1,392,778,819.98
  5. Step 5: Solve for x
    x = 1,392,778,819.98/48,672.88
  6. Step 6: Final answer
    x = 28,615.09

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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.