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Finding the Fourth Proportional to 11,065.28, 16,600.62 and 5,521.28

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Solution

The fourth proportional to 11,065.28, 16,600.62 and 5,521.28 is: 8,283.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,065.28 : 16,600.62 = 5,521.28 : x
  2. Step 2: Convert to fraction form
    11,065.28/16,600.62 = 5,521.28/x
  3. Step 3: Cross multiply
    11,065.28x = 16,600.62 × 5,521.28
  4. Step 4: Simplify right side
    11,065.28x = 91,656,671.19
  5. Step 5: Solve for x
    x = 91,656,671.19/11,065.28
  6. Step 6: Final answer
    x = 8,283.27

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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.