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Finding the Fourth Proportional to 59,969.32, 82,764.68 and 49,879.96

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Solution

The fourth proportional to 59,969.32, 82,764.68 and 49,879.96 is: 68,840.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,969.32 : 82,764.68 = 49,879.96 : x
  2. Step 2: Convert to fraction form
    59,969.32/82,764.68 = 49,879.96/x
  3. Step 3: Cross multiply
    59,969.32x = 82,764.68 × 49,879.96
  4. Step 4: Simplify right side
    59,969.32x = 4,128,298,927.81
  5. Step 5: Solve for x
    x = 4,128,298,927.81/59,969.32
  6. Step 6: Final answer
    x = 68,840.18

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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.