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Finding the Fourth Proportional to 2,367.02, 3,548.46 and 979.48

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Solution

The fourth proportional to 2,367.02, 3,548.46 and 979.48 is: 1,468.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,367.02 : 3,548.46 = 979.48 : x
  2. Step 2: Convert to fraction form
    2,367.02/3,548.46 = 979.48/x
  3. Step 3: Cross multiply
    2,367.02x = 3,548.46 × 979.48
  4. Step 4: Simplify right side
    2,367.02x = 3,475,645.60
  5. Step 5: Solve for x
    x = 3,475,645.60/2,367.02
  6. Step 6: Final answer
    x = 1,468.36

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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.