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Finding the Fourth Proportional to 70,365.60, 97,099.29 and 39,736.85

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Solution

The fourth proportional to 70,365.60, 97,099.29 and 39,736.85 is: 54,833.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,365.60 : 97,099.29 = 39,736.85 : x
  2. Step 2: Convert to fraction form
    70,365.60/97,099.29 = 39,736.85/x
  3. Step 3: Cross multiply
    70,365.60x = 97,099.29 × 39,736.85
  4. Step 4: Simplify right side
    70,365.60x = 3,858,419,436.34
  5. Step 5: Solve for x
    x = 3,858,419,436.34/70,365.60
  6. Step 6: Final answer
    x = 54,833.89

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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.