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Finding the Fourth Proportional to 11,635.70, 17,454.47 and 8,552.03

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Solution

The fourth proportional to 11,635.70, 17,454.47 and 8,552.03 is: 12,828.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,635.70 : 17,454.47 = 8,552.03 : x
  2. Step 2: Convert to fraction form
    11,635.70/17,454.47 = 8,552.03/x
  3. Step 3: Cross multiply
    11,635.70x = 17,454.47 × 8,552.03
  4. Step 4: Simplify right side
    11,635.70x = 149,271,021.04
  5. Step 5: Solve for x
    x = 149,271,021.04/11,635.70
  6. Step 6: Final answer
    x = 12,828.72

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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.