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Finding the Fourth Proportional to 29,418.57, 44,103.05 and 12,766.06

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Solution

The fourth proportional to 29,418.57, 44,103.05 and 12,766.06 is: 19,138.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,418.57 : 44,103.05 = 12,766.06 : x
  2. Step 2: Convert to fraction form
    29,418.57/44,103.05 = 12,766.06/x
  3. Step 3: Cross multiply
    29,418.57x = 44,103.05 × 12,766.06
  4. Step 4: Simplify right side
    29,418.57x = 563,022,000.50
  5. Step 5: Solve for x
    x = 563,022,000.50/29,418.57
  6. Step 6: Final answer
    x = 19,138.32

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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.