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Finding the Fourth Proportional to 28,906.59, 43,360.79 and 7,846.59

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Solution

The fourth proportional to 28,906.59, 43,360.79 and 7,846.59 is: 11,770.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,906.59 : 43,360.79 = 7,846.59 : x
  2. Step 2: Convert to fraction form
    28,906.59/43,360.79 = 7,846.59/x
  3. Step 3: Cross multiply
    28,906.59x = 43,360.79 × 7,846.59
  4. Step 4: Simplify right side
    28,906.59x = 340,234,301.97
  5. Step 5: Solve for x
    x = 340,234,301.97/28,906.59
  6. Step 6: Final answer
    x = 11,770.13

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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.