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Finding the Fourth Proportional to 1,465.36, 2,022.19 and 802.22

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Solution

The fourth proportional to 1,465.36, 2,022.19 and 802.22 is: 1,107.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465.36 : 2,022.19 = 802.22 : x
  2. Step 2: Convert to fraction form
    1,465.36/2,022.19 = 802.22/x
  3. Step 3: Cross multiply
    1,465.36x = 2,022.19 × 802.22
  4. Step 4: Simplify right side
    1,465.36x = 1,622,229.15
  5. Step 5: Solve for x
    x = 1,622,229.15/1,465.36
  6. Step 6: Final answer
    x = 1,107.05

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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.