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Finding the Fourth Proportional to 8,857.69, 13,286.53 and 2,701.69

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Solution

The fourth proportional to 8,857.69, 13,286.53 and 2,701.69 is: 4,052.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857.69 : 13,286.53 = 2,701.69 : x
  2. Step 2: Convert to fraction form
    8,857.69/13,286.53 = 2,701.69/x
  3. Step 3: Cross multiply
    8,857.69x = 13,286.53 × 2,701.69
  4. Step 4: Simplify right side
    8,857.69x = 35,896,055.40
  5. Step 5: Solve for x
    x = 35,896,055.40/8,857.69
  6. Step 6: Final answer
    x = 4,052.53

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Similar ratio
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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.