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Finding the Fourth Proportional to 1,166.53, 1,750.75 and 673.47

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Solution

The fourth proportional to 1,166.53, 1,750.75 and 673.47 is: 1,010.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166.53 : 1,750.75 = 673.47 : x
  2. Step 2: Convert to fraction form
    1,166.53/1,750.75 = 673.47/x
  3. Step 3: Cross multiply
    1,166.53x = 1,750.75 × 673.47
  4. Step 4: Simplify right side
    1,166.53x = 1,179,077.60
  5. Step 5: Solve for x
    x = 1,179,077.60/1,166.53
  6. Step 6: Final answer
    x = 1,010.76

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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.