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Finding the Fourth Proportional to 25,257.44, 37,890.48 and 7,725.44

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Solution

The fourth proportional to 25,257.44, 37,890.48 and 7,725.44 is: 11,589.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,257.44 : 37,890.48 = 7,725.44 : x
  2. Step 2: Convert to fraction form
    25,257.44/37,890.48 = 7,725.44/x
  3. Step 3: Cross multiply
    25,257.44x = 37,890.48 × 7,725.44
  4. Step 4: Simplify right side
    25,257.44x = 292,720,629.81
  5. Step 5: Solve for x
    x = 292,720,629.81/25,257.44
  6. Step 6: Final answer
    x = 11,589.48

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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.