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Finding the Fourth Proportional to 17,682.92, 26,487.99 and 9,345.32

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Solution

The fourth proportional to 17,682.92, 26,487.99 and 9,345.32 is: 13,998.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,682.92 : 26,487.99 = 9,345.32 : x
  2. Step 2: Convert to fraction form
    17,682.92/26,487.99 = 9,345.32/x
  3. Step 3: Cross multiply
    17,682.92x = 26,487.99 × 9,345.32
  4. Step 4: Simplify right side
    17,682.92x = 247,538,832.31
  5. Step 5: Solve for x
    x = 247,538,832.31/17,682.92
  6. Step 6: Final answer
    x = 13,998.75

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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.