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Finding the Fourth Proportional to 57,868.09, 79,850.21 and 33,662.45

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Solution

The fourth proportional to 57,868.09, 79,850.21 and 33,662.45 is: 46,449.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,868.09 : 79,850.21 = 33,662.45 : x
  2. Step 2: Convert to fraction form
    57,868.09/79,850.21 = 33,662.45/x
  3. Step 3: Cross multiply
    57,868.09x = 79,850.21 × 33,662.45
  4. Step 4: Simplify right side
    57,868.09x = 2,687,953,732.93
  5. Step 5: Solve for x
    x = 2,687,953,732.93/57,868.09
  6. Step 6: Final answer
    x = 46,449.67

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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.