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Finding the Fourth Proportional to 1,092.11, 1,507.25 and 650.01

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Solution

The fourth proportional to 1,092.11, 1,507.25 and 650.01 is: 897.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092.11 : 1,507.25 = 650.01 : x
  2. Step 2: Convert to fraction form
    1,092.11/1,507.25 = 650.01/x
  3. Step 3: Cross multiply
    1,092.11x = 1,507.25 × 650.01
  4. Step 4: Simplify right side
    1,092.11x = 979,724.32
  5. Step 5: Solve for x
    x = 979,724.32/1,092.11
  6. Step 6: Final answer
    x = 897.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.