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Finding the Fourth Proportional to 29,296.92, 43,940.60 and 8,238.40

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Solution

The fourth proportional to 29,296.92, 43,940.60 and 8,238.40 is: 12,356.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,296.92 : 43,940.60 = 8,238.40 : x
  2. Step 2: Convert to fraction form
    29,296.92/43,940.60 = 8,238.40/x
  3. Step 3: Cross multiply
    29,296.92x = 43,940.60 × 8,238.40
  4. Step 4: Simplify right side
    29,296.92x = 362,000,239.04
  5. Step 5: Solve for x
    x = 362,000,239.04/29,296.92
  6. Step 6: Final answer
    x = 12,356.26

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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.