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Finding the Fourth Proportional to 16,603.44, 22,912.75 and 9,151.44

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Solution

The fourth proportional to 16,603.44, 22,912.75 and 9,151.44 is: 12,628.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,603.44 : 22,912.75 = 9,151.44 : x
  2. Step 2: Convert to fraction form
    16,603.44/22,912.75 = 9,151.44/x
  3. Step 3: Cross multiply
    16,603.44x = 22,912.75 × 9,151.44
  4. Step 4: Simplify right side
    16,603.44x = 209,684,633.98
  5. Step 5: Solve for x
    x = 209,684,633.98/16,603.44
  6. Step 6: Final answer
    x = 12,628.99

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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.