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Finding the Fourth Proportional to 49,611, 68,463.66 and 27,255.48

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Solution

The fourth proportional to 49,611, 68,463.66 and 27,255.48 is: 37,612.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,611 : 68,463.66 = 27,255.48 : x
  2. Step 2: Convert to fraction form
    49,611/68,463.66 = 27,255.48/x
  3. Step 3: Cross multiply
    49,611x = 68,463.66 × 27,255.48
  4. Step 4: Simplify right side
    49,611x = 1,866,009,915.86
  5. Step 5: Solve for x
    x = 1,866,009,915.86/49,611
  6. Step 6: Final answer
    x = 37,612.83

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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.