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Finding the Fourth Proportional to 8,800.08, 13,168.67 and 7,643.70

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Solution

The fourth proportional to 8,800.08, 13,168.67 and 7,643.70 is: 11,438.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,800.08 : 13,168.67 = 7,643.70 : x
  2. Step 2: Convert to fraction form
    8,800.08/13,168.67 = 7,643.70/x
  3. Step 3: Cross multiply
    8,800.08x = 13,168.67 × 7,643.70
  4. Step 4: Simplify right side
    8,800.08x = 100,657,324.66
  5. Step 5: Solve for x
    x = 100,657,324.66/8,800.08
  6. Step 6: Final answer
    x = 11,438.23

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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.