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Finding the Fourth Proportional to 29,089.94, 43,634.91 and 8,313.44

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Solution

The fourth proportional to 29,089.94, 43,634.91 and 8,313.44 is: 12,470.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,089.94 : 43,634.91 = 8,313.44 : x
  2. Step 2: Convert to fraction form
    29,089.94/43,634.91 = 8,313.44/x
  3. Step 3: Cross multiply
    29,089.94x = 43,634.91 × 8,313.44
  4. Step 4: Simplify right side
    29,089.94x = 362,755,988.02
  5. Step 5: Solve for x
    x = 362,755,988.02/29,089.94
  6. Step 6: Final answer
    x = 12,470.15

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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.