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Finding the Fourth Proportional to 4,412.89, 6,619.35 and 1,334.89

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Solution

The fourth proportional to 4,412.89, 6,619.35 and 1,334.89 is: 2,002.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,412.89 : 6,619.35 = 1,334.89 : x
  2. Step 2: Convert to fraction form
    4,412.89/6,619.35 = 1,334.89/x
  3. Step 3: Cross multiply
    4,412.89x = 6,619.35 × 1,334.89
  4. Step 4: Simplify right side
    4,412.89x = 8,836,104.12
  5. Step 5: Solve for x
    x = 8,836,104.12/4,412.89
  6. Step 6: Final answer
    x = 2,002.34

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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.