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Finding the Fourth Proportional to 70,910.44, 97,858.43 and 39,081.39

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Solution

The fourth proportional to 70,910.44, 97,858.43 and 39,081.39 is: 53,933.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,910.44 : 97,858.43 = 39,081.39 : x
  2. Step 2: Convert to fraction form
    70,910.44/97,858.43 = 39,081.39/x
  3. Step 3: Cross multiply
    70,910.44x = 97,858.43 × 39,081.39
  4. Step 4: Simplify right side
    70,910.44x = 3,824,443,051.80
  5. Step 5: Solve for x
    x = 3,824,443,051.80/70,910.44
  6. Step 6: Final answer
    x = 53,933.43

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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.