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Finding the Fourth Proportional to 63,669.95, 87,866.37 and 36,450.91

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Solution

The fourth proportional to 63,669.95, 87,866.37 and 36,450.91 is: 50,303.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,669.95 : 87,866.37 = 36,450.91 : x
  2. Step 2: Convert to fraction form
    63,669.95/87,866.37 = 36,450.91/x
  3. Step 3: Cross multiply
    63,669.95x = 87,866.37 × 36,450.91
  4. Step 4: Simplify right side
    63,669.95x = 3,202,809,254.73
  5. Step 5: Solve for x
    x = 3,202,809,254.73/63,669.95
  6. Step 6: Final answer
    x = 50,303.31

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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.