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Finding the Fourth Proportional to 9,314.73, 13,973.22 and 4,385.43

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Solution

The fourth proportional to 9,314.73, 13,973.22 and 4,385.43 is: 6,578.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,314.73 : 13,973.22 = 4,385.43 : x
  2. Step 2: Convert to fraction form
    9,314.73/13,973.22 = 4,385.43/x
  3. Step 3: Cross multiply
    9,314.73x = 13,973.22 × 4,385.43
  4. Step 4: Simplify right side
    9,314.73x = 61,278,578.18
  5. Step 5: Solve for x
    x = 61,278,578.18/9,314.73
  6. Step 6: Final answer
    x = 6,578.67

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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.