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Finding the Fourth Proportional to 68,464.68, 102,671.10 and 26,889

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Solution

The fourth proportional to 68,464.68, 102,671.10 and 26,889 is: 40,323.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,464.68 : 102,671.10 = 26,889 : x
  2. Step 2: Convert to fraction form
    68,464.68/102,671.10 = 26,889/x
  3. Step 3: Cross multiply
    68,464.68x = 102,671.10 × 26,889
  4. Step 4: Simplify right side
    68,464.68x = 2,760,723,207.90
  5. Step 5: Solve for x
    x = 2,760,723,207.90/68,464.68
  6. Step 6: Final answer
    x = 40,323.32

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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.