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Finding the Fourth Proportional to 70,785.81, 106,104.68 and 26,393.25

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Solution

The fourth proportional to 70,785.81, 106,104.68 and 26,393.25 is: 39,562.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,785.81 : 106,104.68 = 26,393.25 : x
  2. Step 2: Convert to fraction form
    70,785.81/106,104.68 = 26,393.25/x
  3. Step 3: Cross multiply
    70,785.81x = 106,104.68 × 26,393.25
  4. Step 4: Simplify right side
    70,785.81x = 2,800,447,213.44
  5. Step 5: Solve for x
    x = 2,800,447,213.44/70,785.81
  6. Step 6: Final answer
    x = 39,562.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.