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Finding the Fourth Proportional to 1,114.89, 1,672.65 and 566.97

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Solution

The fourth proportional to 1,114.89, 1,672.65 and 566.97 is: 850.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114.89 : 1,672.65 = 566.97 : x
  2. Step 2: Convert to fraction form
    1,114.89/1,672.65 = 566.97/x
  3. Step 3: Cross multiply
    1,114.89x = 1,672.65 × 566.97
  4. Step 4: Simplify right side
    1,114.89x = 948,342.37
  5. Step 5: Solve for x
    x = 948,342.37/1,114.89
  6. Step 6: Final answer
    x = 850.62

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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.