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Finding the Fourth Proportional to 65,251.41, 97,884.27 and 20,867.73

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Solution

The fourth proportional to 65,251.41, 97,884.27 and 20,867.73 is: 31,303.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,251.41 : 97,884.27 = 20,867.73 : x
  2. Step 2: Convert to fraction form
    65,251.41/97,884.27 = 20,867.73/x
  3. Step 3: Cross multiply
    65,251.41x = 97,884.27 × 20,867.73
  4. Step 4: Simplify right side
    65,251.41x = 2,042,622,517.61
  5. Step 5: Solve for x
    x = 2,042,622,517.61/65,251.41
  6. Step 6: Final answer
    x = 31,303.88

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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.