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Finding the Fourth Proportional to 8,993.92, 13,492.68 and 3,447.04

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Solution

The fourth proportional to 8,993.92, 13,492.68 and 3,447.04 is: 5,171.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,993.92 : 13,492.68 = 3,447.04 : x
  2. Step 2: Convert to fraction form
    8,993.92/13,492.68 = 3,447.04/x
  3. Step 3: Cross multiply
    8,993.92x = 13,492.68 × 3,447.04
  4. Step 4: Simplify right side
    8,993.92x = 46,509,807.67
  5. Step 5: Solve for x
    x = 46,509,807.67/8,993.92
  6. Step 6: Final answer
    x = 5,171.25

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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.