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Finding the Fourth Proportional to 68,052.68, 93,912.99 and 37,840.76

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Solution

The fourth proportional to 68,052.68, 93,912.99 and 37,840.76 is: 52,220.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,052.68 : 93,912.99 = 37,840.76 : x
  2. Step 2: Convert to fraction form
    68,052.68/93,912.99 = 37,840.76/x
  3. Step 3: Cross multiply
    68,052.68x = 93,912.99 × 37,840.76
  4. Step 4: Simplify right side
    68,052.68x = 3,553,738,915.47
  5. Step 5: Solve for x
    x = 3,553,738,915.47/68,052.68
  6. Step 6: Final answer
    x = 52,220.41

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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.