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Finding the Fourth Proportional to 17,651.13, 26,487.63 and 10,259.07

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Solution

The fourth proportional to 17,651.13, 26,487.63 and 10,259.07 is: 15,394.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,651.13 : 26,487.63 = 10,259.07 : x
  2. Step 2: Convert to fraction form
    17,651.13/26,487.63 = 10,259.07/x
  3. Step 3: Cross multiply
    17,651.13x = 26,487.63 × 10,259.07
  4. Step 4: Simplify right side
    17,651.13x = 271,738,450.30
  5. Step 5: Solve for x
    x = 271,738,450.30/17,651.13
  6. Step 6: Final answer
    x = 15,394.96

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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.