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Finding the Fourth Proportional to 57,536.88, 79,366.68 and 35,142

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Solution

The fourth proportional to 57,536.88, 79,366.68 and 35,142 is: 48,475.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,536.88 : 79,366.68 = 35,142 : x
  2. Step 2: Convert to fraction form
    57,536.88/79,366.68 = 35,142/x
  3. Step 3: Cross multiply
    57,536.88x = 79,366.68 × 35,142
  4. Step 4: Simplify right side
    57,536.88x = 2,789,103,868.56
  5. Step 5: Solve for x
    x = 2,789,103,868.56/57,536.88
  6. Step 6: Final answer
    x = 48,475.06

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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.