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Finding the Fourth Proportional to 16,653.67, 22,982.60 and 9,100.42

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Solution

The fourth proportional to 16,653.67, 22,982.60 and 9,100.42 is: 12,558.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,653.67 : 22,982.60 = 9,100.42 : x
  2. Step 2: Convert to fraction form
    16,653.67/22,982.60 = 9,100.42/x
  3. Step 3: Cross multiply
    16,653.67x = 22,982.60 × 9,100.42
  4. Step 4: Simplify right side
    16,653.67x = 209,151,277.99
  5. Step 5: Solve for x
    x = 209,151,277.99/16,653.67
  6. Step 6: Final answer
    x = 12,558.87

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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.