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Finding the Fourth Proportional to 16,603.08, 22,912.25 and 9,151.08

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Solution

The fourth proportional to 16,603.08, 22,912.25 and 9,151.08 is: 12,628.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,603.08 : 22,912.25 = 9,151.08 : x
  2. Step 2: Convert to fraction form
    16,603.08/22,912.25 = 9,151.08/x
  3. Step 3: Cross multiply
    16,603.08x = 22,912.25 × 9,151.08
  4. Step 4: Simplify right side
    16,603.08x = 209,671,786.97
  5. Step 5: Solve for x
    x = 209,671,786.97/16,603.08
  6. Step 6: Final answer
    x = 12,628.49

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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.