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Finding the Fourth Proportional to 17,402.92, 26,081.11 and 9,065.45

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Solution

The fourth proportional to 17,402.92, 26,081.11 and 9,065.45 is: 13,586.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,402.92 : 26,081.11 = 9,065.45 : x
  2. Step 2: Convert to fraction form
    17,402.92/26,081.11 = 9,065.45/x
  3. Step 3: Cross multiply
    17,402.92x = 26,081.11 × 9,065.45
  4. Step 4: Simplify right side
    17,402.92x = 236,436,998.65
  5. Step 5: Solve for x
    x = 236,436,998.65/17,402.92
  6. Step 6: Final answer
    x = 13,586.05

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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.