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Finding the Fourth Proportional to 8,591.97, 12,888.08 and 2,435.97

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Solution

The fourth proportional to 8,591.97, 12,888.08 and 2,435.97 is: 3,653.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,591.97 : 12,888.08 = 2,435.97 : x
  2. Step 2: Convert to fraction form
    8,591.97/12,888.08 = 2,435.97/x
  3. Step 3: Cross multiply
    8,591.97x = 12,888.08 × 2,435.97
  4. Step 4: Simplify right side
    8,591.97x = 31,394,964.06
  5. Step 5: Solve for x
    x = 31,394,964.06/8,591.97
  6. Step 6: Final answer
    x = 3,653.99

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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.