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Finding the Fourth Proportional to 8,869.67, 13,277.94 and 8,554.24

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Solution

The fourth proportional to 8,869.67, 13,277.94 and 8,554.24 is: 12,805.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,869.67 : 13,277.94 = 8,554.24 : x
  2. Step 2: Convert to fraction form
    8,869.67/13,277.94 = 8,554.24/x
  3. Step 3: Cross multiply
    8,869.67x = 13,277.94 × 8,554.24
  4. Step 4: Simplify right side
    8,869.67x = 113,582,576.30
  5. Step 5: Solve for x
    x = 113,582,576.30/8,869.67
  6. Step 6: Final answer
    x = 12,805.73

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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.