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Finding the Fourth Proportional to 1,771.98, 2,658.41 and 848.24

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Solution

The fourth proportional to 1,771.98, 2,658.41 and 848.24 is: 1,272.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771.98 : 2,658.41 = 848.24 : x
  2. Step 2: Convert to fraction form
    1,771.98/2,658.41 = 848.24/x
  3. Step 3: Cross multiply
    1,771.98x = 2,658.41 × 848.24
  4. Step 4: Simplify right side
    1,771.98x = 2,254,969.70
  5. Step 5: Solve for x
    x = 2,254,969.70/1,771.98
  6. Step 6: Final answer
    x = 1,272.57

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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.