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Finding the Fourth Proportional to 67,308.64, 100,962.96 and 22,912.54

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Solution

The fourth proportional to 67,308.64, 100,962.96 and 22,912.54 is: 34,368.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,308.64 : 100,962.96 = 22,912.54 : x
  2. Step 2: Convert to fraction form
    67,308.64/100,962.96 = 22,912.54/x
  3. Step 3: Cross multiply
    67,308.64x = 100,962.96 × 22,912.54
  4. Step 4: Simplify right side
    67,308.64x = 2,313,317,859.52
  5. Step 5: Solve for x
    x = 2,313,317,859.52/67,308.64
  6. Step 6: Final answer
    x = 34,368.81

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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.