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Finding the Fourth Proportional to 1,260.96, 1,892.09 and 567.49

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Solution

The fourth proportional to 1,260.96, 1,892.09 and 567.49 is: 851.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260.96 : 1,892.09 = 567.49 : x
  2. Step 2: Convert to fraction form
    1,260.96/1,892.09 = 567.49/x
  3. Step 3: Cross multiply
    1,260.96x = 1,892.09 × 567.49
  4. Step 4: Simplify right side
    1,260.96x = 1,073,742.15
  5. Step 5: Solve for x
    x = 1,073,742.15/1,260.96
  6. Step 6: Final answer
    x = 851.53

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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.