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Finding the Fourth Proportional to 84,314.78, 126,522.80 and 33,704.76

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Solution

The fourth proportional to 84,314.78, 126,522.80 and 33,704.76 is: 50,577.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,314.78 : 126,522.80 = 33,704.76 : x
  2. Step 2: Convert to fraction form
    84,314.78/126,522.80 = 33,704.76/x
  3. Step 3: Cross multiply
    84,314.78x = 126,522.80 × 33,704.76
  4. Step 4: Simplify right side
    84,314.78x = 4,264,420,608.53
  5. Step 5: Solve for x
    x = 4,264,420,608.53/84,314.78
  6. Step 6: Final answer
    x = 50,577.38

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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.