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Finding the Fourth Proportional to 69,469.64, 95,843.22 and 42,236.36

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Solution

The fourth proportional to 69,469.64, 95,843.22 and 42,236.36 is: 58,271.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,469.64 : 95,843.22 = 42,236.36 : x
  2. Step 2: Convert to fraction form
    69,469.64/95,843.22 = 42,236.36/x
  3. Step 3: Cross multiply
    69,469.64x = 95,843.22 × 42,236.36
  4. Step 4: Simplify right side
    69,469.64x = 4,048,068,743.48
  5. Step 5: Solve for x
    x = 4,048,068,743.48/69,469.64
  6. Step 6: Final answer
    x = 58,271.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.