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Finding the Fourth Proportional to 11,328.75, 16,994.43 and 3,008.88

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Solution

The fourth proportional to 11,328.75, 16,994.43 and 3,008.88 is: 4,513.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,328.75 : 16,994.43 = 3,008.88 : x
  2. Step 2: Convert to fraction form
    11,328.75/16,994.43 = 3,008.88/x
  3. Step 3: Cross multiply
    11,328.75x = 16,994.43 × 3,008.88
  4. Step 4: Simplify right side
    11,328.75x = 51,134,200.54
  5. Step 5: Solve for x
    x = 51,134,200.54/11,328.75
  6. Step 6: Final answer
    x = 4,513.67

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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.