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Finding the Fourth Proportional to 1,110.01, 1,662.73 and 835.29

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Solution

The fourth proportional to 1,110.01, 1,662.73 and 835.29 is: 1,251.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110.01 : 1,662.73 = 835.29 : x
  2. Step 2: Convert to fraction form
    1,110.01/1,662.73 = 835.29/x
  3. Step 3: Cross multiply
    1,110.01x = 1,662.73 × 835.29
  4. Step 4: Simplify right side
    1,110.01x = 1,388,861.74
  5. Step 5: Solve for x
    x = 1,388,861.74/1,110.01
  6. Step 6: Final answer
    x = 1,251.22

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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.