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Finding the Fourth Proportional to 1,033.25, 1,425.54 and 585.06

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Solution

The fourth proportional to 1,033.25, 1,425.54 and 585.06 is: 807.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,033.25 : 1,425.54 = 585.06 : x
  2. Step 2: Convert to fraction form
    1,033.25/1,425.54 = 585.06/x
  3. Step 3: Cross multiply
    1,033.25x = 1,425.54 × 585.06
  4. Step 4: Simplify right side
    1,033.25x = 834,026.43
  5. Step 5: Solve for x
    x = 834,026.43/1,033.25
  6. Step 6: Final answer
    x = 807.19

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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.