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Finding the Fourth Proportional to 1,033.71, 1,426.42 and 585.60

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Solution

The fourth proportional to 1,033.71, 1,426.42 and 585.60 is: 808.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,033.71 : 1,426.42 = 585.60 : x
  2. Step 2: Convert to fraction form
    1,033.71/1,426.42 = 585.60/x
  3. Step 3: Cross multiply
    1,033.71x = 1,426.42 × 585.60
  4. Step 4: Simplify right side
    1,033.71x = 835,308.62
  5. Step 5: Solve for x
    x = 835,308.62/1,033.71
  6. Step 6: Final answer
    x = 808.07

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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.