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Finding the Fourth Proportional to 2,544, 3,815.46 and 2,059.80

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Solution

The fourth proportional to 2,544, 3,815.46 and 2,059.80 is: 3,089.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,544 : 3,815.46 = 2,059.80 : x
  2. Step 2: Convert to fraction form
    2,544/3,815.46 = 2,059.80/x
  3. Step 3: Cross multiply
    2,544x = 3,815.46 × 2,059.80
  4. Step 4: Simplify right side
    2,544x = 7,859,084.51
  5. Step 5: Solve for x
    x = 7,859,084.51/2,544
  6. Step 6: Final answer
    x = 3,089.26

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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.