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Finding the Fourth Proportional to 57,934.62, 79,956.48 and 35,286.90

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Solution

The fourth proportional to 57,934.62, 79,956.48 and 35,286.90 is: 48,700.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,934.62 : 79,956.48 = 35,286.90 : x
  2. Step 2: Convert to fraction form
    57,934.62/79,956.48 = 35,286.90/x
  3. Step 3: Cross multiply
    57,934.62x = 79,956.48 × 35,286.90
  4. Step 4: Simplify right side
    57,934.62x = 2,821,416,314.11
  5. Step 5: Solve for x
    x = 2,821,416,314.11/57,934.62
  6. Step 6: Final answer
    x = 48,700.01

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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.