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Finding the Fourth Proportional to 68,843.64, 95,004.27 and 38,624.79

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Solution

The fourth proportional to 68,843.64, 95,004.27 and 38,624.79 is: 53,302.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,843.64 : 95,004.27 = 38,624.79 : x
  2. Step 2: Convert to fraction form
    68,843.64/95,004.27 = 38,624.79/x
  3. Step 3: Cross multiply
    68,843.64x = 95,004.27 × 38,624.79
  4. Step 4: Simplify right side
    68,843.64x = 3,669,519,977.85
  5. Step 5: Solve for x
    x = 3,669,519,977.85/68,843.64
  6. Step 6: Final answer
    x = 53,302.24

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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.