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Finding the Fourth Proportional to 25,975.88, 38,954.24 and 9,331.44

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Solution

The fourth proportional to 25,975.88, 38,954.24 and 9,331.44 is: 13,993.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,975.88 : 38,954.24 = 9,331.44 : x
  2. Step 2: Convert to fraction form
    25,975.88/38,954.24 = 9,331.44/x
  3. Step 3: Cross multiply
    25,975.88x = 38,954.24 × 9,331.44
  4. Step 4: Simplify right side
    25,975.88x = 363,499,106.65
  5. Step 5: Solve for x
    x = 363,499,106.65/25,975.88
  6. Step 6: Final answer
    x = 13,993.72

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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.