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Finding the Fourth Proportional to 8,797.91, 13,196.98 and 2,874.75

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Solution

The fourth proportional to 8,797.91, 13,196.98 and 2,874.75 is: 4,312.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,797.91 : 13,196.98 = 2,874.75 : x
  2. Step 2: Convert to fraction form
    8,797.91/13,196.98 = 2,874.75/x
  3. Step 3: Cross multiply
    8,797.91x = 13,196.98 × 2,874.75
  4. Step 4: Simplify right side
    8,797.91x = 37,938,018.26
  5. Step 5: Solve for x
    x = 37,938,018.26/8,797.91
  6. Step 6: Final answer
    x = 4,312.16

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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.