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Finding the Fourth Proportional to 38,998.50, 53,827.65 and 22,241.22

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Solution

The fourth proportional to 38,998.50, 53,827.65 and 22,241.22 is: 30,698.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,998.50 : 53,827.65 = 22,241.22 : x
  2. Step 2: Convert to fraction form
    38,998.50/53,827.65 = 22,241.22/x
  3. Step 3: Cross multiply
    38,998.50x = 53,827.65 × 22,241.22
  4. Step 4: Simplify right side
    38,998.50x = 1,197,192,605.73
  5. Step 5: Solve for x
    x = 1,197,192,605.73/38,998.50
  6. Step 6: Final answer
    x = 30,698.43

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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.