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Finding the Fourth Proportional to 70,777.46, 106,231.82 and 35,741.72

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Solution

The fourth proportional to 70,777.46, 106,231.82 and 35,741.72 is: 53,645.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,777.46 : 106,231.82 = 35,741.72 : x
  2. Step 2: Convert to fraction form
    70,777.46/106,231.82 = 35,741.72/x
  3. Step 3: Cross multiply
    70,777.46x = 106,231.82 × 35,741.72
  4. Step 4: Simplify right side
    70,777.46x = 3,796,907,255.66
  5. Step 5: Solve for x
    x = 3,796,907,255.66/70,777.46
  6. Step 6: Final answer
    x = 53,645.72

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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.