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Finding the Fourth Proportional to 37,859.67, 52,241.81 and 21,726.09

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Solution

The fourth proportional to 37,859.67, 52,241.81 and 21,726.09 is: 29,979.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,859.67 : 52,241.81 = 21,726.09 : x
  2. Step 2: Convert to fraction form
    37,859.67/52,241.81 = 21,726.09/x
  3. Step 3: Cross multiply
    37,859.67x = 52,241.81 × 21,726.09
  4. Step 4: Simplify right side
    37,859.67x = 1,135,010,157.19
  5. Step 5: Solve for x
    x = 1,135,010,157.19/37,859.67
  6. Step 6: Final answer
    x = 29,979.40

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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.