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Finding the Fourth Proportional to 25,087.88, 37,620.88 and 8,443.44

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Solution

The fourth proportional to 25,087.88, 37,620.88 and 8,443.44 is: 12,661.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,087.88 : 37,620.88 = 8,443.44 : x
  2. Step 2: Convert to fraction form
    25,087.88/37,620.88 = 8,443.44/x
  3. Step 3: Cross multiply
    25,087.88x = 37,620.88 × 8,443.44
  4. Step 4: Simplify right side
    25,087.88x = 317,649,506.76
  5. Step 5: Solve for x
    x = 317,649,506.76/25,087.88
  6. Step 6: Final answer
    x = 12,661.48

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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.