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Finding the Fourth Proportional to 7,951.25, 11,926.95 and 2,404.64

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Solution

The fourth proportional to 7,951.25, 11,926.95 and 2,404.64 is: 3,606.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,951.25 : 11,926.95 = 2,404.64 : x
  2. Step 2: Convert to fraction form
    7,951.25/11,926.95 = 2,404.64/x
  3. Step 3: Cross multiply
    7,951.25x = 11,926.95 × 2,404.64
  4. Step 4: Simplify right side
    7,951.25x = 28,680,021.05
  5. Step 5: Solve for x
    x = 28,680,021.05/7,951.25
  6. Step 6: Final answer
    x = 3,606.98

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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.