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Finding the Fourth Proportional to 29,640.36, 44,460.54 and 11,879.07

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Solution

The fourth proportional to 29,640.36, 44,460.54 and 11,879.07 is: 17,818.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,640.36 : 44,460.54 = 11,879.07 : x
  2. Step 2: Convert to fraction form
    29,640.36/44,460.54 = 11,879.07/x
  3. Step 3: Cross multiply
    29,640.36x = 44,460.54 × 11,879.07
  4. Step 4: Simplify right side
    29,640.36x = 528,149,866.90
  5. Step 5: Solve for x
    x = 528,149,866.90/29,640.36
  6. Step 6: Final answer
    x = 17,818.61

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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.