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Finding the Fourth Proportional to 44,195.60, 66,294 and 12,605.67

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Solution

The fourth proportional to 44,195.60, 66,294 and 12,605.67 is: 18,908.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,195.60 : 66,294 = 12,605.67 : x
  2. Step 2: Convert to fraction form
    44,195.60/66,294 = 12,605.67/x
  3. Step 3: Cross multiply
    44,195.60x = 66,294 × 12,605.67
  4. Step 4: Simplify right side
    44,195.60x = 835,680,286.98
  5. Step 5: Solve for x
    x = 835,680,286.98/44,195.60
  6. Step 6: Final answer
    x = 18,908.68

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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.