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Finding the Fourth Proportional to 16,745.94, 23,108.49 and 9,672.21

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Solution

The fourth proportional to 16,745.94, 23,108.49 and 9,672.21 is: 13,347.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,745.94 : 23,108.49 = 9,672.21 : x
  2. Step 2: Convert to fraction form
    16,745.94/23,108.49 = 9,672.21/x
  3. Step 3: Cross multiply
    16,745.94x = 23,108.49 × 9,672.21
  4. Step 4: Simplify right side
    16,745.94x = 223,510,168.06
  5. Step 5: Solve for x
    x = 223,510,168.06/16,745.94
  6. Step 6: Final answer
    x = 13,347.13

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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.