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Finding the Fourth Proportional to 16,806.12, 23,192.22 and 9,354.12

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Solution

The fourth proportional to 16,806.12, 23,192.22 and 9,354.12 is: 12,908.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,806.12 : 23,192.22 = 9,354.12 : x
  2. Step 2: Convert to fraction form
    16,806.12/23,192.22 = 9,354.12/x
  3. Step 3: Cross multiply
    16,806.12x = 23,192.22 × 9,354.12
  4. Step 4: Simplify right side
    16,806.12x = 216,942,808.95
  5. Step 5: Solve for x
    x = 216,942,808.95/16,806.12
  6. Step 6: Final answer
    x = 12,908.56

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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.