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Finding the Fourth Proportional to 16,540.68, 22,825.92 and 8,986.93

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Solution

The fourth proportional to 16,540.68, 22,825.92 and 8,986.93 is: 12,401.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,540.68 : 22,825.92 = 8,986.93 : x
  2. Step 2: Convert to fraction form
    16,540.68/22,825.92 = 8,986.93/x
  3. Step 3: Cross multiply
    16,540.68x = 22,825.92 × 8,986.93
  4. Step 4: Simplify right side
    16,540.68x = 205,134,888.16
  5. Step 5: Solve for x
    x = 205,134,888.16/16,540.68
  6. Step 6: Final answer
    x = 12,401.84

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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.