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Finding the Fourth Proportional to 29,755.73, 44,633.54 and 12,213.20

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Solution

The fourth proportional to 29,755.73, 44,633.54 and 12,213.20 is: 18,319.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,755.73 : 44,633.54 = 12,213.20 : x
  2. Step 2: Convert to fraction form
    29,755.73/44,633.54 = 12,213.20/x
  3. Step 3: Cross multiply
    29,755.73x = 44,633.54 × 12,213.20
  4. Step 4: Simplify right side
    29,755.73x = 545,118,127.56
  5. Step 5: Solve for x
    x = 545,118,127.56/29,755.73
  6. Step 6: Final answer
    x = 18,319.77

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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.