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Finding the Fourth Proportional to 8,800.71, 13,169.60 and 7,644.33

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Solution

The fourth proportional to 8,800.71, 13,169.60 and 7,644.33 is: 11,439.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,800.71 : 13,169.60 = 7,644.33 : x
  2. Step 2: Convert to fraction form
    8,800.71/13,169.60 = 7,644.33/x
  3. Step 3: Cross multiply
    8,800.71x = 13,169.60 × 7,644.33
  4. Step 4: Simplify right side
    8,800.71x = 100,672,820.40
  5. Step 5: Solve for x
    x = 100,672,820.40/8,800.71
  6. Step 6: Final answer
    x = 11,439.18

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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.