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Finding the Fourth Proportional to 25,282.82, 37,928.19 and 7,750.82

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Solution

The fourth proportional to 25,282.82, 37,928.19 and 7,750.82 is: 11,627.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,282.82 : 37,928.19 = 7,750.82 : x
  2. Step 2: Convert to fraction form
    25,282.82/37,928.19 = 7,750.82/x
  3. Step 3: Cross multiply
    25,282.82x = 37,928.19 × 7,750.82
  4. Step 4: Simplify right side
    25,282.82x = 293,974,573.62
  5. Step 5: Solve for x
    x = 293,974,573.62/25,282.82
  6. Step 6: Final answer
    x = 11,627.44

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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.