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Finding the Fourth Proportional to 16,600.15, 22,905.61 and 9,525.21

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Solution

The fourth proportional to 16,600.15, 22,905.61 and 9,525.21 is: 13,143.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,600.15 : 22,905.61 = 9,525.21 : x
  2. Step 2: Convert to fraction form
    16,600.15/22,905.61 = 9,525.21/x
  3. Step 3: Cross multiply
    16,600.15x = 22,905.61 × 9,525.21
  4. Step 4: Simplify right side
    16,600.15x = 218,180,745.43
  5. Step 5: Solve for x
    x = 218,180,745.43/16,600.15
  6. Step 6: Final answer
    x = 13,143.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.