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Finding the Fourth Proportional to 17,813.72, 26,707.62 and 10,893.08

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Solution

The fourth proportional to 17,813.72, 26,707.62 and 10,893.08 is: 16,331.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,813.72 : 26,707.62 = 10,893.08 : x
  2. Step 2: Convert to fraction form
    17,813.72/26,707.62 = 10,893.08/x
  3. Step 3: Cross multiply
    17,813.72x = 26,707.62 × 10,893.08
  4. Step 4: Simplify right side
    17,813.72x = 290,928,241.27
  5. Step 5: Solve for x
    x = 290,928,241.27/17,813.72
  6. Step 6: Final answer
    x = 16,331.69

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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.