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Finding the Fourth Proportional to 70,286.27, 96,993.90 and 40,073.27

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Solution

The fourth proportional to 70,286.27, 96,993.90 and 40,073.27 is: 55,300.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,286.27 : 96,993.90 = 40,073.27 : x
  2. Step 2: Convert to fraction form
    70,286.27/96,993.90 = 40,073.27/x
  3. Step 3: Cross multiply
    70,286.27x = 96,993.90 × 40,073.27
  4. Step 4: Simplify right side
    70,286.27x = 3,886,862,258.08
  5. Step 5: Solve for x
    x = 3,886,862,258.08/70,286.27
  6. Step 6: Final answer
    x = 55,300.45

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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.