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Finding the Fourth Proportional to 26,853.70, 37,059.22 and 14,917.12

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Solution

The fourth proportional to 26,853.70, 37,059.22 and 14,917.12 is: 20,586.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,853.70 : 37,059.22 = 14,917.12 : x
  2. Step 2: Convert to fraction form
    26,853.70/37,059.22 = 14,917.12/x
  3. Step 3: Cross multiply
    26,853.70x = 37,059.22 × 14,917.12
  4. Step 4: Simplify right side
    26,853.70x = 552,816,831.85
  5. Step 5: Solve for x
    x = 552,816,831.85/26,853.70
  6. Step 6: Final answer
    x = 20,586.24

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Double scale
Find fourth proportional to 26,854.70, 37,060.60 and 14,918.12
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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.