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Finding the Fourth Proportional to 57,756.82, 79,674.56 and 36,548.39

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Solution

The fourth proportional to 57,756.82, 79,674.56 and 36,548.39 is: 50,417.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,756.82 : 79,674.56 = 36,548.39 : x
  2. Step 2: Convert to fraction form
    57,756.82/79,674.56 = 36,548.39/x
  3. Step 3: Cross multiply
    57,756.82x = 79,674.56 × 36,548.39
  4. Step 4: Simplify right side
    57,756.82x = 2,911,976,891.96
  5. Step 5: Solve for x
    x = 2,911,976,891.96/57,756.82
  6. Step 6: Final answer
    x = 50,417.89

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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.