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Finding the Fourth Proportional to 33,392.61, 50,084.01 and 12,611.25

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Solution

The fourth proportional to 33,392.61, 50,084.01 and 12,611.25 is: 18,915.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,392.61 : 50,084.01 = 12,611.25 : x
  2. Step 2: Convert to fraction form
    33,392.61/50,084.01 = 12,611.25/x
  3. Step 3: Cross multiply
    33,392.61x = 50,084.01 × 12,611.25
  4. Step 4: Simplify right side
    33,392.61x = 631,621,971.11
  5. Step 5: Solve for x
    x = 631,621,971.11/33,392.61
  6. Step 6: Final answer
    x = 18,915.02

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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.