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Finding the Fourth Proportional to 70,073.44, 96,704.01 and 39,861.52

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Solution

The fourth proportional to 70,073.44, 96,704.01 and 39,861.52 is: 55,010.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,073.44 : 96,704.01 = 39,861.52 : x
  2. Step 2: Convert to fraction form
    70,073.44/96,704.01 = 39,861.52/x
  3. Step 3: Cross multiply
    70,073.44x = 96,704.01 × 39,861.52
  4. Step 4: Simplify right side
    70,073.44x = 3,854,768,586.94
  5. Step 5: Solve for x
    x = 3,854,768,586.94/70,073.44
  6. Step 6: Final answer
    x = 55,010.41

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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.