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Finding the Fourth Proportional to 1,367.42, 2,050.16 and 751.41

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Solution

The fourth proportional to 1,367.42, 2,050.16 and 751.41 is: 1,126.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367.42 : 2,050.16 = 751.41 : x
  2. Step 2: Convert to fraction form
    1,367.42/2,050.16 = 751.41/x
  3. Step 3: Cross multiply
    1,367.42x = 2,050.16 × 751.41
  4. Step 4: Simplify right side
    1,367.42x = 1,540,506.97
  5. Step 5: Solve for x
    x = 1,540,506.97/1,367.42
  6. Step 6: Final answer
    x = 1,126.58

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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.