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Finding the Fourth Proportional to 36,915.96, 50,943.96 and 20,148.96

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Solution

The fourth proportional to 36,915.96, 50,943.96 and 20,148.96 is: 27,805.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,915.96 : 50,943.96 = 20,148.96 : x
  2. Step 2: Convert to fraction form
    36,915.96/50,943.96 = 20,148.96/x
  3. Step 3: Cross multiply
    36,915.96x = 50,943.96 × 20,148.96
  4. Step 4: Simplify right side
    36,915.96x = 1,026,467,812.28
  5. Step 5: Solve for x
    x = 1,026,467,812.28/36,915.96
  6. Step 6: Final answer
    x = 27,805.53

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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.