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Finding the Fourth Proportional to 16,362.75, 22,580.60 and 8,910.75

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Solution

The fourth proportional to 16,362.75, 22,580.60 and 8,910.75 is: 12,296.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,362.75 : 22,580.60 = 8,910.75 : x
  2. Step 2: Convert to fraction form
    16,362.75/22,580.60 = 8,910.75/x
  3. Step 3: Cross multiply
    16,362.75x = 22,580.60 × 8,910.75
  4. Step 4: Simplify right side
    16,362.75x = 201,210,036.90
  5. Step 5: Solve for x
    x = 201,210,036.90/16,362.75
  6. Step 6: Final answer
    x = 12,296.84

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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.