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Finding the Fourth Proportional to 16,156.80, 22,297.68 and 9,082.80

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Solution

The fourth proportional to 16,156.80, 22,297.68 and 9,082.80 is: 12,534.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,156.80 : 22,297.68 = 9,082.80 : x
  2. Step 2: Convert to fraction form
    16,156.80/22,297.68 = 9,082.80/x
  3. Step 3: Cross multiply
    16,156.80x = 22,297.68 × 9,082.80
  4. Step 4: Simplify right side
    16,156.80x = 202,525,367.90
  5. Step 5: Solve for x
    x = 202,525,367.90/16,156.80
  6. Step 6: Final answer
    x = 12,534.99

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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.