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Finding the Fourth Proportional to 1,884.23, 2,825.53 and 585.80

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Solution

The fourth proportional to 1,884.23, 2,825.53 and 585.80 is: 878.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,884.23 : 2,825.53 = 585.80 : x
  2. Step 2: Convert to fraction form
    1,884.23/2,825.53 = 585.80/x
  3. Step 3: Cross multiply
    1,884.23x = 2,825.53 × 585.80
  4. Step 4: Simplify right side
    1,884.23x = 1,655,179.88
  5. Step 5: Solve for x
    x = 1,655,179.88/1,884.23
  6. Step 6: Final answer
    x = 878.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.