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Finding the Fourth Proportional to 45,290.89, 67,914.67 and 16,808.29

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Solution

The fourth proportional to 45,290.89, 67,914.67 and 16,808.29 is: 25,204.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,290.89 : 67,914.67 = 16,808.29 : x
  2. Step 2: Convert to fraction form
    45,290.89/67,914.67 = 16,808.29/x
  3. Step 3: Cross multiply
    45,290.89x = 67,914.67 × 16,808.29
  4. Step 4: Simplify right side
    45,290.89x = 1,141,529,468.61
  5. Step 5: Solve for x
    x = 1,141,529,468.61/45,290.89
  6. Step 6: Final answer
    x = 25,204.39

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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.