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Finding the Fourth Proportional to 44,786.92, 67,169.57 and 13,188.38

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Solution

The fourth proportional to 44,786.92, 67,169.57 and 13,188.38 is: 19,779.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,786.92 : 67,169.57 = 13,188.38 : x
  2. Step 2: Convert to fraction form
    44,786.92/67,169.57 = 13,188.38/x
  3. Step 3: Cross multiply
    44,786.92x = 67,169.57 × 13,188.38
  4. Step 4: Simplify right side
    44,786.92x = 885,857,915.58
  5. Step 5: Solve for x
    x = 885,857,915.58/44,786.92
  6. Step 6: Final answer
    x = 19,779.39

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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.