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Finding the Fourth Proportional to 63,185.85, 87,203.93 and 36,329.49

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Solution

The fourth proportional to 63,185.85, 87,203.93 and 36,329.49 is: 50,138.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,185.85 : 87,203.93 = 36,329.49 : x
  2. Step 2: Convert to fraction form
    63,185.85/87,203.93 = 36,329.49/x
  3. Step 3: Cross multiply
    63,185.85x = 87,203.93 × 36,329.49
  4. Step 4: Simplify right side
    63,185.85x = 3,168,074,121.25
  5. Step 5: Solve for x
    x = 3,168,074,121.25/63,185.85
  6. Step 6: Final answer
    x = 50,138.98

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1.5x scale

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.