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Finding the Fourth Proportional to 70,059.56, 96,679.60 and 38,227.80

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Solution

The fourth proportional to 70,059.56, 96,679.60 and 38,227.80 is: 52,752.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,059.56 : 96,679.60 = 38,227.80 : x
  2. Step 2: Convert to fraction form
    70,059.56/96,679.60 = 38,227.80/x
  3. Step 3: Cross multiply
    70,059.56x = 96,679.60 × 38,227.80
  4. Step 4: Simplify right side
    70,059.56x = 3,695,848,412.88
  5. Step 5: Solve for x
    x = 3,695,848,412.88/70,059.56
  6. Step 6: Final answer
    x = 52,752.95

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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.