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Finding the Fourth Proportional to 62,225.73, 85,879.86 and 39,566.97

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Solution

The fourth proportional to 62,225.73, 85,879.86 and 39,566.97 is: 54,607.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,225.73 : 85,879.86 = 39,566.97 : x
  2. Step 2: Convert to fraction form
    62,225.73/85,879.86 = 39,566.97/x
  3. Step 3: Cross multiply
    62,225.73x = 85,879.86 × 39,566.97
  4. Step 4: Simplify right side
    62,225.73x = 3,398,005,844.22
  5. Step 5: Solve for x
    x = 3,398,005,844.22/62,225.73
  6. Step 6: Final answer
    x = 54,607.73

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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.