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Finding the Fourth Proportional to 1,180.41, 1,770.93 and 1,051.29

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Solution

The fourth proportional to 1,180.41, 1,770.93 and 1,051.29 is: 1,577.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180.41 : 1,770.93 = 1,051.29 : x
  2. Step 2: Convert to fraction form
    1,180.41/1,770.93 = 1,051.29/x
  3. Step 3: Cross multiply
    1,180.41x = 1,770.93 × 1,051.29
  4. Step 4: Simplify right side
    1,180.41x = 1,861,759.05
  5. Step 5: Solve for x
    x = 1,861,759.05/1,180.41
  6. Step 6: Final answer
    x = 1,577.22

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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.