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Finding the Fourth Proportional to 54,879.22, 75,733.07 and 29,728.72

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Solution

The fourth proportional to 54,879.22, 75,733.07 and 29,728.72 is: 41,025.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,879.22 : 75,733.07 = 29,728.72 : x
  2. Step 2: Convert to fraction form
    54,879.22/75,733.07 = 29,728.72/x
  3. Step 3: Cross multiply
    54,879.22x = 75,733.07 × 29,728.72
  4. Step 4: Simplify right side
    54,879.22x = 2,251,447,232.77
  5. Step 5: Solve for x
    x = 2,251,447,232.77/54,879.22
  6. Step 6: Final answer
    x = 41,025.50

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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.