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Finding the Fourth Proportional to 34,892.55, 52,297.13 and 12,679.92

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Solution

The fourth proportional to 34,892.55, 52,297.13 and 12,679.92 is: 19,004.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,892.55 : 52,297.13 = 12,679.92 : x
  2. Step 2: Convert to fraction form
    34,892.55/52,297.13 = 12,679.92/x
  3. Step 3: Cross multiply
    34,892.55x = 52,297.13 × 12,679.92
  4. Step 4: Simplify right side
    34,892.55x = 663,123,424.63
  5. Step 5: Solve for x
    x = 663,123,424.63/34,892.55
  6. Step 6: Final answer
    x = 19,004.73

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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.