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Finding the Fourth Proportional to 8,998.75, 13,492.89 and 3,452.47

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Solution

The fourth proportional to 8,998.75, 13,492.89 and 3,452.47 is: 5,176.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,998.75 : 13,492.89 = 3,452.47 : x
  2. Step 2: Convert to fraction form
    8,998.75/13,492.89 = 3,452.47/x
  3. Step 3: Cross multiply
    8,998.75x = 13,492.89 × 3,452.47
  4. Step 4: Simplify right side
    8,998.75x = 46,583,797.94
  5. Step 5: Solve for x
    x = 46,583,797.94/8,998.75
  6. Step 6: Final answer
    x = 5,176.70

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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.