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Finding the Fourth Proportional to 1,762.92, 2,644.92 and 1,180.26

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Solution

The fourth proportional to 1,762.92, 2,644.92 and 1,180.26 is: 1,770.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,762.92 : 2,644.92 = 1,180.26 : x
  2. Step 2: Convert to fraction form
    1,762.92/2,644.92 = 1,180.26/x
  3. Step 3: Cross multiply
    1,762.92x = 2,644.92 × 1,180.26
  4. Step 4: Simplify right side
    1,762.92x = 3,121,693.28
  5. Step 5: Solve for x
    x = 3,121,693.28/1,762.92
  6. Step 6: Final answer
    x = 1,770.75

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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.