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Finding the Fourth Proportional to 1,033.97, 1,426.64 and 585.81

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Solution

The fourth proportional to 1,033.97, 1,426.64 and 585.81 is: 808.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,033.97 : 1,426.64 = 585.81 : x
  2. Step 2: Convert to fraction form
    1,033.97/1,426.64 = 585.81/x
  3. Step 3: Cross multiply
    1,033.97x = 1,426.64 × 585.81
  4. Step 4: Simplify right side
    1,033.97x = 835,737.05
  5. Step 5: Solve for x
    x = 835,737.05/1,033.97
  6. Step 6: Final answer
    x = 808.28

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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.