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Finding the Fourth Proportional to 8,774.08, 13,165.20 and 3,843.08

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Solution

The fourth proportional to 8,774.08, 13,165.20 and 3,843.08 is: 5,766.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,774.08 : 13,165.20 = 3,843.08 : x
  2. Step 2: Convert to fraction form
    8,774.08/13,165.20 = 3,843.08/x
  3. Step 3: Cross multiply
    8,774.08x = 13,165.20 × 3,843.08
  4. Step 4: Simplify right side
    8,774.08x = 50,594,916.82
  5. Step 5: Solve for x
    x = 50,594,916.82/8,774.08
  6. Step 6: Final answer
    x = 5,766.41

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1.5x scale

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.