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Finding the Fourth Proportional to 11,774.90, 17,740.89 and 10,650.46

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Solution

The fourth proportional to 11,774.90, 17,740.89 and 10,650.46 is: 16,046.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,774.90 : 17,740.89 = 10,650.46 : x
  2. Step 2: Convert to fraction form
    11,774.90/17,740.89 = 10,650.46/x
  3. Step 3: Cross multiply
    11,774.90x = 17,740.89 × 10,650.46
  4. Step 4: Simplify right side
    11,774.90x = 188,948,639.31
  5. Step 5: Solve for x
    x = 188,948,639.31/11,774.90
  6. Step 6: Final answer
    x = 16,046.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.