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Finding the Fourth Proportional to 10,671.67, 16,006.29 and 2,881.09

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Solution

The fourth proportional to 10,671.67, 16,006.29 and 2,881.09 is: 4,321.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,671.67 : 16,006.29 = 2,881.09 : x
  2. Step 2: Convert to fraction form
    10,671.67/16,006.29 = 2,881.09/x
  3. Step 3: Cross multiply
    10,671.67x = 16,006.29 × 2,881.09
  4. Step 4: Simplify right side
    10,671.67x = 46,115,562.06
  5. Step 5: Solve for x
    x = 46,115,562.06/10,671.67
  6. Step 6: Final answer
    x = 4,321.31

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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.