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Finding the Fourth Proportional to 25,292.94, 37,936.08 and 7,761.30

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Solution

The fourth proportional to 25,292.94, 37,936.08 and 7,761.30 is: 11,640.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,292.94 : 37,936.08 = 7,761.30 : x
  2. Step 2: Convert to fraction form
    25,292.94/37,936.08 = 7,761.30/x
  3. Step 3: Cross multiply
    25,292.94x = 37,936.08 × 7,761.30
  4. Step 4: Simplify right side
    25,292.94x = 294,433,297.70
  5. Step 5: Solve for x
    x = 294,433,297.70/25,292.94
  6. Step 6: Final answer
    x = 11,640.93

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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.