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Finding the Fourth Proportional to 49,576.59, 68,415.78 and 26,915.61

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Solution

The fourth proportional to 49,576.59, 68,415.78 and 26,915.61 is: 37,143.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,576.59 : 68,415.78 = 26,915.61 : x
  2. Step 2: Convert to fraction form
    49,576.59/68,415.78 = 26,915.61/x
  3. Step 3: Cross multiply
    49,576.59x = 68,415.78 × 26,915.61
  4. Step 4: Simplify right side
    49,576.59x = 1,841,452,452.33
  5. Step 5: Solve for x
    x = 1,841,452,452.33/49,576.59
  6. Step 6: Final answer
    x = 37,143.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.