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Finding the Fourth Proportional to 29,791.40, 44,712.30 and 12,273.80

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Solution

The fourth proportional to 29,791.40, 44,712.30 and 12,273.80 is: 18,421.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,791.40 : 44,712.30 = 12,273.80 : x
  2. Step 2: Convert to fraction form
    29,791.40/44,712.30 = 12,273.80/x
  3. Step 3: Cross multiply
    29,791.40x = 44,712.30 × 12,273.80
  4. Step 4: Simplify right side
    29,791.40x = 548,789,827.74
  5. Step 5: Solve for x
    x = 548,789,827.74/29,791.40
  6. Step 6: Final answer
    x = 18,421.08

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1.5x scale

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.