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Finding the Fourth Proportional to 68,028.96, 102,069.68 and 23,660.32

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Solution

The fourth proportional to 68,028.96, 102,069.68 and 23,660.32 is: 35,499.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,028.96 : 102,069.68 = 23,660.32 : x
  2. Step 2: Convert to fraction form
    68,028.96/102,069.68 = 23,660.32/x
  3. Step 3: Cross multiply
    68,028.96x = 102,069.68 × 23,660.32
  4. Step 4: Simplify right side
    68,028.96x = 2,415,001,291.10
  5. Step 5: Solve for x
    x = 2,415,001,291.10/68,028.96
  6. Step 6: Final answer
    x = 35,499.61

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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.