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Finding the Fourth Proportional to 68,022.72, 102,028.32 and 23,641.92

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Solution

The fourth proportional to 68,022.72, 102,028.32 and 23,641.92 is: 35,460.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,022.72 : 102,028.32 = 23,641.92 : x
  2. Step 2: Convert to fraction form
    68,022.72/102,028.32 = 23,641.92/x
  3. Step 3: Cross multiply
    68,022.72x = 102,028.32 × 23,641.92
  4. Step 4: Simplify right side
    68,022.72x = 2,412,145,379.17
  5. Step 5: Solve for x
    x = 2,412,145,379.17/68,022.72
  6. Step 6: Final answer
    x = 35,460.88

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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.