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Finding the Fourth Proportional to 8,369.52, 12,554.36 and 2,213.52

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Solution

The fourth proportional to 8,369.52, 12,554.36 and 2,213.52 is: 3,320.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,369.52 : 12,554.36 = 2,213.52 : x
  2. Step 2: Convert to fraction form
    8,369.52/12,554.36 = 2,213.52/x
  3. Step 3: Cross multiply
    8,369.52x = 12,554.36 × 2,213.52
  4. Step 4: Simplify right side
    8,369.52x = 27,789,326.95
  5. Step 5: Solve for x
    x = 27,789,326.95/8,369.52
  6. Step 6: Final answer
    x = 3,320.30

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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.