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Finding the Fourth Proportional to 57,338.41, 79,127.09 and 32,188.09

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Solution

The fourth proportional to 57,338.41, 79,127.09 and 32,188.09 is: 44,419.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,338.41 : 79,127.09 = 32,188.09 : x
  2. Step 2: Convert to fraction form
    57,338.41/79,127.09 = 32,188.09/x
  3. Step 3: Cross multiply
    57,338.41x = 79,127.09 × 32,188.09
  4. Step 4: Simplify right side
    57,338.41x = 2,546,949,733.42
  5. Step 5: Solve for x
    x = 2,546,949,733.42/57,338.41
  6. Step 6: Final answer
    x = 44,419.61

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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.