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Finding the Fourth Proportional to 9,376.76, 14,072.07 and 4,446.42

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Solution

The fourth proportional to 9,376.76, 14,072.07 and 4,446.42 is: 6,672.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,376.76 : 14,072.07 = 4,446.42 : x
  2. Step 2: Convert to fraction form
    9,376.76/14,072.07 = 4,446.42/x
  3. Step 3: Cross multiply
    9,376.76x = 14,072.07 × 4,446.42
  4. Step 4: Simplify right side
    9,376.76x = 62,570,240.90
  5. Step 5: Solve for x
    x = 62,570,240.90/9,376.76
  6. Step 6: Final answer
    x = 6,672.91

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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.