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Finding the Fourth Proportional to 11,579.96, 17,369.48 and 8,059.80

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Solution

The fourth proportional to 11,579.96, 17,369.48 and 8,059.80 is: 12,089.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,579.96 : 17,369.48 = 8,059.80 : x
  2. Step 2: Convert to fraction form
    11,579.96/17,369.48 = 8,059.80/x
  3. Step 3: Cross multiply
    11,579.96x = 17,369.48 × 8,059.80
  4. Step 4: Simplify right side
    11,579.96x = 139,994,534.90
  5. Step 5: Solve for x
    x = 139,994,534.90/11,579.96
  6. Step 6: Final answer
    x = 12,089.39

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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.