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Finding the Fourth Proportional to 11,566.67, 17,350.11 and 2,801.60

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Solution

The fourth proportional to 11,566.67, 17,350.11 and 2,801.60 is: 4,202.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,566.67 : 17,350.11 = 2,801.60 : x
  2. Step 2: Convert to fraction form
    11,566.67/17,350.11 = 2,801.60/x
  3. Step 3: Cross multiply
    11,566.67x = 17,350.11 × 2,801.60
  4. Step 4: Simplify right side
    11,566.67x = 48,607,981.43
  5. Step 5: Solve for x
    x = 48,607,981.43/11,566.67
  6. Step 6: Final answer
    x = 4,202.42

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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.