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Finding the Fourth Proportional to 26,446.65, 36,489.09 and 17,020.68

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Solution

The fourth proportional to 26,446.65, 36,489.09 and 17,020.68 is: 23,483.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,446.65 : 36,489.09 = 17,020.68 : x
  2. Step 2: Convert to fraction form
    26,446.65/36,489.09 = 17,020.68/x
  3. Step 3: Cross multiply
    26,446.65x = 36,489.09 × 17,020.68
  4. Step 4: Simplify right side
    26,446.65x = 621,069,124.38
  5. Step 5: Solve for x
    x = 621,069,124.38/26,446.65
  6. Step 6: Final answer
    x = 23,483.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.