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Finding the Fourth Proportional to 51,356.92, 70,846.74 and 35,450.20

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Solution

The fourth proportional to 51,356.92, 70,846.74 and 35,450.20 is: 48,903.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,356.92 : 70,846.74 = 35,450.20 : x
  2. Step 2: Convert to fraction form
    51,356.92/70,846.74 = 35,450.20/x
  3. Step 3: Cross multiply
    51,356.92x = 70,846.74 × 35,450.20
  4. Step 4: Simplify right side
    51,356.92x = 2,511,531,102.35
  5. Step 5: Solve for x
    x = 2,511,531,102.35/51,356.92
  6. Step 6: Final answer
    x = 48,903.46

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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.