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Finding the Fourth Proportional to 63,852.66, 87,969.84 and 50,418.90

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Solution

The fourth proportional to 63,852.66, 87,969.84 and 50,418.90 is: 69,462.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,852.66 : 87,969.84 = 50,418.90 : x
  2. Step 2: Convert to fraction form
    63,852.66/87,969.84 = 50,418.90/x
  3. Step 3: Cross multiply
    63,852.66x = 87,969.84 × 50,418.90
  4. Step 4: Simplify right side
    63,852.66x = 4,435,342,565.98
  5. Step 5: Solve for x
    x = 4,435,342,565.98/63,852.66
  6. Step 6: Final answer
    x = 69,462.14

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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.