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Finding the Fourth Proportional to 3,283.88, 4,928.11 and 1,336.10

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Solution

The fourth proportional to 3,283.88, 4,928.11 and 1,336.10 is: 2,005.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,283.88 : 4,928.11 = 1,336.10 : x
  2. Step 2: Convert to fraction form
    3,283.88/4,928.11 = 1,336.10/x
  3. Step 3: Cross multiply
    3,283.88x = 4,928.11 × 1,336.10
  4. Step 4: Simplify right side
    3,283.88x = 6,584,419.79
  5. Step 5: Solve for x
    x = 6,584,419.79/3,283.88
  6. Step 6: Final answer
    x = 2,005.08

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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.