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Finding the Fourth Proportional to 1,662.12, 2,493.48 and 566.19

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Solution

The fourth proportional to 1,662.12, 2,493.48 and 566.19 is: 849.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,662.12 : 2,493.48 = 566.19 : x
  2. Step 2: Convert to fraction form
    1,662.12/2,493.48 = 566.19/x
  3. Step 3: Cross multiply
    1,662.12x = 2,493.48 × 566.19
  4. Step 4: Simplify right side
    1,662.12x = 1,411,785.56
  5. Step 5: Solve for x
    x = 1,411,785.56/1,662.12
  6. Step 6: Final answer
    x = 849.39

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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.