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Finding the Fourth Proportional to 58,879.91, 81,253.60 and 32,021.83

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Solution

The fourth proportional to 58,879.91, 81,253.60 and 32,021.83 is: 44,189.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,879.91 : 81,253.60 = 32,021.83 : x
  2. Step 2: Convert to fraction form
    58,879.91/81,253.60 = 32,021.83/x
  3. Step 3: Cross multiply
    58,879.91x = 81,253.60 × 32,021.83
  4. Step 4: Simplify right side
    58,879.91x = 2,601,888,987.60
  5. Step 5: Solve for x
    x = 2,601,888,987.60/58,879.91
  6. Step 6: Final answer
    x = 44,189.76

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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.