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Finding the Fourth Proportional to 34,892.70, 48,152.15 and 18,977.26

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Solution

The fourth proportional to 34,892.70, 48,152.15 and 18,977.26 is: 26,188.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,892.70 : 48,152.15 = 18,977.26 : x
  2. Step 2: Convert to fraction form
    34,892.70/48,152.15 = 18,977.26/x
  3. Step 3: Cross multiply
    34,892.70x = 48,152.15 × 18,977.26
  4. Step 4: Simplify right side
    34,892.70x = 913,795,906.58
  5. Step 5: Solve for x
    x = 913,795,906.58/34,892.70
  6. Step 6: Final answer
    x = 26,188.74

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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.