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Finding the Fourth Proportional to 1,092.04, 1,507.52 and 699.29

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Solution

The fourth proportional to 1,092.04, 1,507.52 and 699.29 is: 965.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092.04 : 1,507.52 = 699.29 : x
  2. Step 2: Convert to fraction form
    1,092.04/1,507.52 = 699.29/x
  3. Step 3: Cross multiply
    1,092.04x = 1,507.52 × 699.29
  4. Step 4: Simplify right side
    1,092.04x = 1,054,187.87
  5. Step 5: Solve for x
    x = 1,054,187.87/1,092.04
  6. Step 6: Final answer
    x = 965.34

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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.