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Finding the Fourth Proportional to 8,951.10, 13,425.59 and 2,377.79

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Solution

The fourth proportional to 8,951.10, 13,425.59 and 2,377.79 is: 3,566.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,951.10 : 13,425.59 = 2,377.79 : x
  2. Step 2: Convert to fraction form
    8,951.10/13,425.59 = 2,377.79/x
  3. Step 3: Cross multiply
    8,951.10x = 13,425.59 × 2,377.79
  4. Step 4: Simplify right side
    8,951.10x = 31,923,233.65
  5. Step 5: Solve for x
    x = 31,923,233.65/8,951.10
  6. Step 6: Final answer
    x = 3,566.40

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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.