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Finding the Fourth Proportional to 12,080.65, 16,671.27 and 6,775.58

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Solution

The fourth proportional to 12,080.65, 16,671.27 and 6,775.58 is: 9,350.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,080.65 : 16,671.27 = 6,775.58 : x
  2. Step 2: Convert to fraction form
    12,080.65/16,671.27 = 6,775.58/x
  3. Step 3: Cross multiply
    12,080.65x = 16,671.27 × 6,775.58
  4. Step 4: Simplify right side
    12,080.65x = 112,957,523.59
  5. Step 5: Solve for x
    x = 112,957,523.59/12,080.65
  6. Step 6: Final answer
    x = 9,350.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.