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Finding the Fourth Proportional to 1,166.82, 1,748.44 and 872.94

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Solution

The fourth proportional to 1,166.82, 1,748.44 and 872.94 is: 1,308.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166.82 : 1,748.44 = 872.94 : x
  2. Step 2: Convert to fraction form
    1,166.82/1,748.44 = 872.94/x
  3. Step 3: Cross multiply
    1,166.82x = 1,748.44 × 872.94
  4. Step 4: Simplify right side
    1,166.82x = 1,526,285.95
  5. Step 5: Solve for x
    x = 1,526,285.95/1,166.82
  6. Step 6: Final answer
    x = 1,308.07

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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.