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Finding the Fourth Proportional to 1,846.07, 2,768.62 and 547.23

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Solution

The fourth proportional to 1,846.07, 2,768.62 and 547.23 is: 820.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,846.07 : 2,768.62 = 547.23 : x
  2. Step 2: Convert to fraction form
    1,846.07/2,768.62 = 547.23/x
  3. Step 3: Cross multiply
    1,846.07x = 2,768.62 × 547.23
  4. Step 4: Simplify right side
    1,846.07x = 1,515,069.19
  5. Step 5: Solve for x
    x = 1,515,069.19/1,846.07
  6. Step 6: Final answer
    x = 820.70

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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.