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Finding the Fourth Proportional to 26,711.86, 36,828.86 and 17,134.86

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Solution

The fourth proportional to 26,711.86, 36,828.86 and 17,134.86 is: 23,624.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,711.86 : 36,828.86 = 17,134.86 : x
  2. Step 2: Convert to fraction form
    26,711.86/36,828.86 = 17,134.86/x
  3. Step 3: Cross multiply
    26,711.86x = 36,828.86 × 17,134.86
  4. Step 4: Simplify right side
    26,711.86x = 631,057,360.06
  5. Step 5: Solve for x
    x = 631,057,360.06/26,711.86
  6. Step 6: Final answer
    x = 23,624.61

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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.