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Finding the Fourth Proportional to 8,342.38, 12,513.71 and 2,794.69

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Solution

The fourth proportional to 8,342.38, 12,513.71 and 2,794.69 is: 4,192.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,342.38 : 12,513.71 = 2,794.69 : x
  2. Step 2: Convert to fraction form
    8,342.38/12,513.71 = 2,794.69/x
  3. Step 3: Cross multiply
    8,342.38x = 12,513.71 × 2,794.69
  4. Step 4: Simplify right side
    8,342.38x = 34,971,915.90
  5. Step 5: Solve for x
    x = 34,971,915.90/8,342.38
  6. Step 6: Final answer
    x = 4,192.08

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.