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Finding the Fourth Proportional to 33,157.78, 49,744.87 and 15,401.16

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Solution

The fourth proportional to 33,157.78, 49,744.87 and 15,401.16 is: 23,105.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,157.78 : 49,744.87 = 15,401.16 : x
  2. Step 2: Convert to fraction form
    33,157.78/49,744.87 = 15,401.16/x
  3. Step 3: Cross multiply
    33,157.78x = 49,744.87 × 15,401.16
  4. Step 4: Simplify right side
    33,157.78x = 766,128,663.55
  5. Step 5: Solve for x
    x = 766,128,663.55/33,157.78
  6. Step 6: Final answer
    x = 23,105.55

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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.