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Finding the Fourth Proportional to 29,791.60, 44,703.60 and 12,263.20

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Solution

The fourth proportional to 29,791.60, 44,703.60 and 12,263.20 is: 18,401.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,791.60 : 44,703.60 = 12,263.20 : x
  2. Step 2: Convert to fraction form
    29,791.60/44,703.60 = 12,263.20/x
  3. Step 3: Cross multiply
    29,791.60x = 44,703.60 × 12,263.20
  4. Step 4: Simplify right side
    29,791.60x = 548,209,187.52
  5. Step 5: Solve for x
    x = 548,209,187.52/29,791.60
  6. Step 6: Final answer
    x = 18,401.47

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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.