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Finding the Fourth Proportional to 2,957.33, 4,425.71 and 1,786.64

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Solution

The fourth proportional to 2,957.33, 4,425.71 and 1,786.64 is: 2,673.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,957.33 : 4,425.71 = 1,786.64 : x
  2. Step 2: Convert to fraction form
    2,957.33/4,425.71 = 1,786.64/x
  3. Step 3: Cross multiply
    2,957.33x = 4,425.71 × 1,786.64
  4. Step 4: Simplify right side
    2,957.33x = 7,907,119.45
  5. Step 5: Solve for x
    x = 7,907,119.45/2,957.33
  6. Step 6: Final answer
    x = 2,673.73

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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.