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Finding the Fourth Proportional to 1,168.58, 1,751.94 and 802.28

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Solution

The fourth proportional to 1,168.58, 1,751.94 and 802.28 is: 1,202.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168.58 : 1,751.94 = 802.28 : x
  2. Step 2: Convert to fraction form
    1,168.58/1,751.94 = 802.28/x
  3. Step 3: Cross multiply
    1,168.58x = 1,751.94 × 802.28
  4. Step 4: Simplify right side
    1,168.58x = 1,405,537.66
  5. Step 5: Solve for x
    x = 1,405,537.66/1,168.58
  6. Step 6: Final answer
    x = 1,202.78

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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.