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Finding the Fourth Proportional to 6,376.74, 9,567.63 and 2,865.79

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Solution

The fourth proportional to 6,376.74, 9,567.63 and 2,865.79 is: 4,299.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,376.74 : 9,567.63 = 2,865.79 : x
  2. Step 2: Convert to fraction form
    6,376.74/9,567.63 = 2,865.79/x
  3. Step 3: Cross multiply
    6,376.74x = 9,567.63 × 2,865.79
  4. Step 4: Simplify right side
    6,376.74x = 27,418,818.38
  5. Step 5: Solve for x
    x = 27,418,818.38/6,376.74
  6. Step 6: Final answer
    x = 4,299.82

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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.