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Finding the Fourth Proportional to 16,938.22, 25,406.97 and 9,043.42

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Solution

The fourth proportional to 16,938.22, 25,406.97 and 9,043.42 is: 13,564.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,938.22 : 25,406.97 = 9,043.42 : x
  2. Step 2: Convert to fraction form
    16,938.22/25,406.97 = 9,043.42/x
  3. Step 3: Cross multiply
    16,938.22x = 25,406.97 × 9,043.42
  4. Step 4: Simplify right side
    16,938.22x = 229,765,900.64
  5. Step 5: Solve for x
    x = 229,765,900.64/16,938.22
  6. Step 6: Final answer
    x = 13,564.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.