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Finding the Fourth Proportional to 57,390.24, 79,198.24 and 32,239.68

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Solution

The fourth proportional to 57,390.24, 79,198.24 and 32,239.68 is: 44,490.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,390.24 : 79,198.24 = 32,239.68 : x
  2. Step 2: Convert to fraction form
    57,390.24/79,198.24 = 32,239.68/x
  3. Step 3: Cross multiply
    57,390.24x = 79,198.24 × 32,239.68
  4. Step 4: Simplify right side
    57,390.24x = 2,553,325,914.16
  5. Step 5: Solve for x
    x = 2,553,325,914.16/57,390.24
  6. Step 6: Final answer
    x = 44,490.59

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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.