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Finding the Fourth Proportional to 7,304.40, 10,951.20 and 4,958.55

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Solution

The fourth proportional to 7,304.40, 10,951.20 and 4,958.55 is: 7,434.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,304.40 : 10,951.20 = 4,958.55 : x
  2. Step 2: Convert to fraction form
    7,304.40/10,951.20 = 4,958.55/x
  3. Step 3: Cross multiply
    7,304.40x = 10,951.20 × 4,958.55
  4. Step 4: Simplify right side
    7,304.40x = 54,302,072.76
  5. Step 5: Solve for x
    x = 54,302,072.76/7,304.40
  6. Step 6: Final answer
    x = 7,434.16

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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.