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Finding the Fourth Proportional to 70,283.93, 96,991.70 and 38,452.75

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Solution

The fourth proportional to 70,283.93, 96,991.70 and 38,452.75 is: 53,064.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,283.93 : 96,991.70 = 38,452.75 : x
  2. Step 2: Convert to fraction form
    70,283.93/96,991.70 = 38,452.75/x
  3. Step 3: Cross multiply
    70,283.93x = 96,991.70 × 38,452.75
  4. Step 4: Simplify right side
    70,283.93x = 3,729,597,157.43
  5. Step 5: Solve for x
    x = 3,729,597,157.43/70,283.93
  6. Step 6: Final answer
    x = 53,064.73

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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.