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Finding the Fourth Proportional to 71,459.88, 107,190.73 and 27,074.71

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Solution

The fourth proportional to 71,459.88, 107,190.73 and 27,074.71 is: 40,612.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,459.88 : 107,190.73 = 27,074.71 : x
  2. Step 2: Convert to fraction form
    71,459.88/107,190.73 = 27,074.71/x
  3. Step 3: Cross multiply
    71,459.88x = 107,190.73 × 27,074.71
  4. Step 4: Simplify right side
    71,459.88x = 2,902,157,794.06
  5. Step 5: Solve for x
    x = 2,902,157,794.06/71,459.88
  6. Step 6: Final answer
    x = 40,612.41

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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.