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Finding the Fourth Proportional to 63,567.80, 87,718.70 and 36,698.04

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Solution

The fourth proportional to 63,567.80, 87,718.70 and 36,698.04 is: 50,640.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,567.80 : 87,718.70 = 36,698.04 : x
  2. Step 2: Convert to fraction form
    63,567.80/87,718.70 = 36,698.04/x
  3. Step 3: Cross multiply
    63,567.80x = 87,718.70 × 36,698.04
  4. Step 4: Simplify right side
    63,567.80x = 3,219,104,361.35
  5. Step 5: Solve for x
    x = 3,219,104,361.35/63,567.80
  6. Step 6: Final answer
    x = 50,640.49

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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.