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Finding the Fourth Proportional to 1,169.66, 1,755.40 and 1,032.98

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Solution

The fourth proportional to 1,169.66, 1,755.40 and 1,032.98 is: 1,550.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169.66 : 1,755.40 = 1,032.98 : x
  2. Step 2: Convert to fraction form
    1,169.66/1,755.40 = 1,032.98/x
  3. Step 3: Cross multiply
    1,169.66x = 1,755.40 × 1,032.98
  4. Step 4: Simplify right side
    1,169.66x = 1,813,293.09
  5. Step 5: Solve for x
    x = 1,813,293.09/1,169.66
  6. Step 6: Final answer
    x = 1,550.27

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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.