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Finding the Fourth Proportional to 57,611.40, 79,506.81 and 33,739.89

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Solution

The fourth proportional to 57,611.40, 79,506.81 and 33,739.89 is: 46,562.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,611.40 : 79,506.81 = 33,739.89 : x
  2. Step 2: Convert to fraction form
    57,611.40/79,506.81 = 33,739.89/x
  3. Step 3: Cross multiply
    57,611.40x = 79,506.81 × 33,739.89
  4. Step 4: Simplify right side
    57,611.40x = 2,682,551,023.65
  5. Step 5: Solve for x
    x = 2,682,551,023.65/57,611.40
  6. Step 6: Final answer
    x = 46,562.85

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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.