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Finding the Fourth Proportional to 16,904.40, 25,367.40 and 9,884.40

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Solution

The fourth proportional to 16,904.40, 25,367.40 and 9,884.40 is: 14,832.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,904.40 : 25,367.40 = 9,884.40 : x
  2. Step 2: Convert to fraction form
    16,904.40/25,367.40 = 9,884.40/x
  3. Step 3: Cross multiply
    16,904.40x = 25,367.40 × 9,884.40
  4. Step 4: Simplify right side
    16,904.40x = 250,741,528.56
  5. Step 5: Solve for x
    x = 250,741,528.56/16,904.40
  6. Step 6: Final answer
    x = 14,832.92

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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.