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Finding the Fourth Proportional to 1,092.34, 1,506.22 and 699.22

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Solution

The fourth proportional to 1,092.34, 1,506.22 and 699.22 is: 964.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092.34 : 1,506.22 = 699.22 : x
  2. Step 2: Convert to fraction form
    1,092.34/1,506.22 = 699.22/x
  3. Step 3: Cross multiply
    1,092.34x = 1,506.22 × 699.22
  4. Step 4: Simplify right side
    1,092.34x = 1,053,179.15
  5. Step 5: Solve for x
    x = 1,053,179.15/1,092.34
  6. Step 6: Final answer
    x = 964.15

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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.