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Finding the Fourth Proportional to 17,643.35, 26,475.99 and 10,992.90

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Solution

The fourth proportional to 17,643.35, 26,475.99 and 10,992.90 is: 16,496.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,643.35 : 26,475.99 = 10,992.90 : x
  2. Step 2: Convert to fraction form
    17,643.35/26,475.99 = 10,992.90/x
  3. Step 3: Cross multiply
    17,643.35x = 26,475.99 × 10,992.90
  4. Step 4: Simplify right side
    17,643.35x = 291,047,910.47
  5. Step 5: Solve for x
    x = 291,047,910.47/17,643.35
  6. Step 6: Final answer
    x = 16,496.19

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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.