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Finding the Fourth Proportional to 67,317.72, 100,962.90 and 34,003.32

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Solution

The fourth proportional to 67,317.72, 100,962.90 and 34,003.32 is: 50,998.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,317.72 : 100,962.90 = 34,003.32 : x
  2. Step 2: Convert to fraction form
    67,317.72/100,962.90 = 34,003.32/x
  3. Step 3: Cross multiply
    67,317.72x = 100,962.90 × 34,003.32
  4. Step 4: Simplify right side
    67,317.72x = 3,433,073,796.83
  5. Step 5: Solve for x
    x = 3,433,073,796.83/67,317.72
  6. Step 6: Final answer
    x = 50,998.07

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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.