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Finding the Fourth Proportional to 67,268.70, 100,903.05 and 27,902.70

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Solution

The fourth proportional to 67,268.70, 100,903.05 and 27,902.70 is: 41,854.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,268.70 : 100,903.05 = 27,902.70 : x
  2. Step 2: Convert to fraction form
    67,268.70/100,903.05 = 27,902.70/x
  3. Step 3: Cross multiply
    67,268.70x = 100,903.05 × 27,902.70
  4. Step 4: Simplify right side
    67,268.70x = 2,815,467,533.24
  5. Step 5: Solve for x
    x = 2,815,467,533.24/67,268.70
  6. Step 6: Final answer
    x = 41,854.05

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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.