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Finding the Fourth Proportional to 61,879.58, 85,393.81 and 33,585.27

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Solution

The fourth proportional to 61,879.58, 85,393.81 and 33,585.27 is: 46,347.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,879.58 : 85,393.81 = 33,585.27 : x
  2. Step 2: Convert to fraction form
    61,879.58/85,393.81 = 33,585.27/x
  3. Step 3: Cross multiply
    61,879.58x = 85,393.81 × 33,585.27
  4. Step 4: Simplify right side
    61,879.58x = 2,867,973,886.93
  5. Step 5: Solve for x
    x = 2,867,973,886.93/61,879.58
  6. Step 6: Final answer
    x = 46,347.66

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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.