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Finding the Fourth Proportional to 25,993.55, 38,992.78 and 7,273.59

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Solution

The fourth proportional to 25,993.55, 38,992.78 and 7,273.59 is: 10,911.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,993.55 : 38,992.78 = 7,273.59 : x
  2. Step 2: Convert to fraction form
    25,993.55/38,992.78 = 7,273.59/x
  3. Step 3: Cross multiply
    25,993.55x = 38,992.78 × 7,273.59
  4. Step 4: Simplify right side
    25,993.55x = 283,617,494.68
  5. Step 5: Solve for x
    x = 283,617,494.68/25,993.55
  6. Step 6: Final answer
    x = 10,911.07

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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.