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Finding the Fourth Proportional to 43,879.27, 65,825.74 and 14,290.22

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Solution

The fourth proportional to 43,879.27, 65,825.74 and 14,290.22 is: 21,437.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,879.27 : 65,825.74 = 14,290.22 : x
  2. Step 2: Convert to fraction form
    43,879.27/65,825.74 = 14,290.22/x
  3. Step 3: Cross multiply
    43,879.27x = 65,825.74 × 14,290.22
  4. Step 4: Simplify right side
    43,879.27x = 940,664,448.50
  5. Step 5: Solve for x
    x = 940,664,448.50/43,879.27
  6. Step 6: Final answer
    x = 21,437.56

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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.