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Finding the Fourth Proportional to 57,475.69, 79,327.40 and 35,975.46

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Solution

The fourth proportional to 57,475.69, 79,327.40 and 35,975.46 is: 49,652.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,475.69 : 79,327.40 = 35,975.46 : x
  2. Step 2: Convert to fraction form
    57,475.69/79,327.40 = 35,975.46/x
  3. Step 3: Cross multiply
    57,475.69x = 79,327.40 × 35,975.46
  4. Step 4: Simplify right side
    57,475.69x = 2,853,839,705.60
  5. Step 5: Solve for x
    x = 2,853,839,705.60/57,475.69
  6. Step 6: Final answer
    x = 49,652.99

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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.