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Finding the Fourth Proportional to 68,441.36, 102,664.92 and 23,493.68

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Solution

The fourth proportional to 68,441.36, 102,664.92 and 23,493.68 is: 35,241.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,441.36 : 102,664.92 = 23,493.68 : x
  2. Step 2: Convert to fraction form
    68,441.36/102,664.92 = 23,493.68/x
  3. Step 3: Cross multiply
    68,441.36x = 102,664.92 × 23,493.68
  4. Step 4: Simplify right side
    68,441.36x = 2,411,976,777.71
  5. Step 5: Solve for x
    x = 2,411,976,777.71/68,441.36
  6. Step 6: Final answer
    x = 35,241.51

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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.