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Finding the Fourth Proportional to 25,591.48, 38,383.02 and 18,173.48

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Solution

The fourth proportional to 25,591.48, 38,383.02 and 18,173.48 is: 27,257.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,591.48 : 38,383.02 = 18,173.48 : x
  2. Step 2: Convert to fraction form
    25,591.48/38,383.02 = 18,173.48/x
  3. Step 3: Cross multiply
    25,591.48x = 38,383.02 × 18,173.48
  4. Step 4: Simplify right side
    25,591.48x = 697,553,046.31
  5. Step 5: Solve for x
    x = 697,553,046.31/25,591.48
  6. Step 6: Final answer
    x = 27,257.24

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1.5x scale

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.