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Finding the Fourth Proportional to 17,675.70, 26,494.11 and 7,281.78

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Solution

The fourth proportional to 17,675.70, 26,494.11 and 7,281.78 is: 10,914.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,675.70 : 26,494.11 = 7,281.78 : x
  2. Step 2: Convert to fraction form
    17,675.70/26,494.11 = 7,281.78/x
  3. Step 3: Cross multiply
    17,675.70x = 26,494.11 × 7,281.78
  4. Step 4: Simplify right side
    17,675.70x = 192,924,280.32
  5. Step 5: Solve for x
    x = 192,924,280.32/17,675.70
  6. Step 6: Final answer
    x = 10,914.66

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.