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Finding the Fourth Proportional to 18,435.91, 27,653.96 and 4,584.91

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Solution

The fourth proportional to 18,435.91, 27,653.96 and 4,584.91 is: 6,877.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,435.91 : 27,653.96 = 4,584.91 : x
  2. Step 2: Convert to fraction form
    18,435.91/27,653.96 = 4,584.91/x
  3. Step 3: Cross multiply
    18,435.91x = 27,653.96 × 4,584.91
  4. Step 4: Simplify right side
    18,435.91x = 126,790,917.74
  5. Step 5: Solve for x
    x = 126,790,917.74/18,435.91
  6. Step 6: Final answer
    x = 6,877.39

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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.