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Finding the Fourth Proportional to 4,584, 6,868.80 and 3,194.40

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Solution

The fourth proportional to 4,584, 6,868.80 and 3,194.40 is: 4,786.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,584 : 6,868.80 = 3,194.40 : x
  2. Step 2: Convert to fraction form
    4,584/6,868.80 = 3,194.40/x
  3. Step 3: Cross multiply
    4,584x = 6,868.80 × 3,194.40
  4. Step 4: Simplify right side
    4,584x = 21,941,694.72
  5. Step 5: Solve for x
    x = 21,941,694.72/4,584
  6. Step 6: Final answer
    x = 4,786.58

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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.