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Finding the Fourth Proportional to 41,998.80, 63,007.08 and 13,917.26

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Solution

The fourth proportional to 41,998.80, 63,007.08 and 13,917.26 is: 20,878.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,998.80 : 63,007.08 = 13,917.26 : x
  2. Step 2: Convert to fraction form
    41,998.80/63,007.08 = 13,917.26/x
  3. Step 3: Cross multiply
    41,998.80x = 63,007.08 × 13,917.26
  4. Step 4: Simplify right side
    41,998.80x = 876,885,914.20
  5. Step 5: Solve for x
    x = 876,885,914.20/41,998.80
  6. Step 6: Final answer
    x = 20,878.83

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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.