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Finding the Fourth Proportional to 1,027.62, 1,418.16 and 585.52

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Solution

The fourth proportional to 1,027.62, 1,418.16 and 585.52 is: 808.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027.62 : 1,418.16 = 585.52 : x
  2. Step 2: Convert to fraction form
    1,027.62/1,418.16 = 585.52/x
  3. Step 3: Cross multiply
    1,027.62x = 1,418.16 × 585.52
  4. Step 4: Simplify right side
    1,027.62x = 830,361.04
  5. Step 5: Solve for x
    x = 830,361.04/1,027.62
  6. Step 6: Final answer
    x = 808.04

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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.