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Finding the Fourth Proportional to 11,063.60, 16,600.20 and 5,217.20

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Solution

The fourth proportional to 11,063.60, 16,600.20 and 5,217.20 is: 7,828.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,063.60 : 16,600.20 = 5,217.20 : x
  2. Step 2: Convert to fraction form
    11,063.60/16,600.20 = 5,217.20/x
  3. Step 3: Cross multiply
    11,063.60x = 16,600.20 × 5,217.20
  4. Step 4: Simplify right side
    11,063.60x = 86,606,563.44
  5. Step 5: Solve for x
    x = 86,606,563.44/11,063.60
  6. Step 6: Final answer
    x = 7,828.06

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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.