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Finding the Fourth Proportional to 16,998.59, 25,498.19 and 5,905.64

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Solution

The fourth proportional to 16,998.59, 25,498.19 and 5,905.64 is: 8,858.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,998.59 : 25,498.19 = 5,905.64 : x
  2. Step 2: Convert to fraction form
    16,998.59/25,498.19 = 5,905.64/x
  3. Step 3: Cross multiply
    16,998.59x = 25,498.19 × 5,905.64
  4. Step 4: Simplify right side
    16,998.59x = 150,583,209.30
  5. Step 5: Solve for x
    x = 150,583,209.30/16,998.59
  6. Step 6: Final answer
    x = 8,858.57

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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.