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Finding the Fourth Proportional to 12,005.82, 16,568.82 and 6,701.40

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Solution

The fourth proportional to 12,005.82, 16,568.82 and 6,701.40 is: 9,248.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,005.82 : 16,568.82 = 6,701.40 : x
  2. Step 2: Convert to fraction form
    12,005.82/16,568.82 = 6,701.40/x
  3. Step 3: Cross multiply
    12,005.82x = 16,568.82 × 6,701.40
  4. Step 4: Simplify right side
    12,005.82x = 111,034,290.35
  5. Step 5: Solve for x
    x = 111,034,290.35/12,005.82
  6. Step 6: Final answer
    x = 9,248.37

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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.