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Finding the Fourth Proportional to 25,887.44, 35,687.02 and 18,310.16

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Solution

The fourth proportional to 25,887.44, 35,687.02 and 18,310.16 is: 25,241.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,887.44 : 35,687.02 = 18,310.16 : x
  2. Step 2: Convert to fraction form
    25,887.44/35,687.02 = 18,310.16/x
  3. Step 3: Cross multiply
    25,887.44x = 35,687.02 × 18,310.16
  4. Step 4: Simplify right side
    25,887.44x = 653,435,046.12
  5. Step 5: Solve for x
    x = 653,435,046.12/25,887.44
  6. Step 6: Final answer
    x = 25,241.39

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1.5x scale

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.