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Finding the Fourth Proportional to 2,035.44, 3,051.45 and 866.34

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Solution

The fourth proportional to 2,035.44, 3,051.45 and 866.34 is: 1,298.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,035.44 : 3,051.45 = 866.34 : x
  2. Step 2: Convert to fraction form
    2,035.44/3,051.45 = 866.34/x
  3. Step 3: Cross multiply
    2,035.44x = 3,051.45 × 866.34
  4. Step 4: Simplify right side
    2,035.44x = 2,643,593.19
  5. Step 5: Solve for x
    x = 2,643,593.19/2,035.44
  6. Step 6: Final answer
    x = 1,298.78

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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.