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Finding the Fourth Proportional to 12,062.97, 16,648.88 and 6,759.09

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Solution

The fourth proportional to 12,062.97, 16,648.88 and 6,759.09 is: 9,328.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,062.97 : 16,648.88 = 6,759.09 : x
  2. Step 2: Convert to fraction form
    12,062.97/16,648.88 = 6,759.09/x
  3. Step 3: Cross multiply
    12,062.97x = 16,648.88 × 6,759.09
  4. Step 4: Simplify right side
    12,062.97x = 112,531,244.52
  5. Step 5: Solve for x
    x = 112,531,244.52/12,062.97
  6. Step 6: Final answer
    x = 9,328.65

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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.