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Finding the Fourth Proportional to 71,562.37, 107,340.13 and 27,185.67

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Solution

The fourth proportional to 71,562.37, 107,340.13 and 27,185.67 is: 40,777.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,562.37 : 107,340.13 = 27,185.67 : x
  2. Step 2: Convert to fraction form
    71,562.37/107,340.13 = 27,185.67/x
  3. Step 3: Cross multiply
    71,562.37x = 107,340.13 × 27,185.67
  4. Step 4: Simplify right side
    71,562.37x = 2,918,113,351.94
  5. Step 5: Solve for x
    x = 2,918,113,351.94/71,562.37
  6. Step 6: Final answer
    x = 40,777.20

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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.