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Finding the Fourth Proportional to 52,900.44, 79,311.78 and 25,217.88

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Solution

The fourth proportional to 52,900.44, 79,311.78 and 25,217.88 is: 37,808.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,900.44 : 79,311.78 = 25,217.88 : x
  2. Step 2: Convert to fraction form
    52,900.44/79,311.78 = 25,217.88/x
  3. Step 3: Cross multiply
    52,900.44x = 79,311.78 × 25,217.88
  4. Step 4: Simplify right side
    52,900.44x = 2,000,074,950.63
  5. Step 5: Solve for x
    x = 2,000,074,950.63/52,900.44
  6. Step 6: Final answer
    x = 37,808.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.