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Finding the Fourth Proportional to 63,281.60, 94,936.80 and 36,972.80

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Solution

The fourth proportional to 63,281.60, 94,936.80 and 36,972.80 is: 55,467.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,281.60 : 94,936.80 = 36,972.80 : x
  2. Step 2: Convert to fraction form
    63,281.60/94,936.80 = 36,972.80/x
  3. Step 3: Cross multiply
    63,281.60x = 94,936.80 × 36,972.80
  4. Step 4: Simplify right side
    63,281.60x = 3,510,079,319.04
  5. Step 5: Solve for x
    x = 3,510,079,319.04/63,281.60
  6. Step 6: Final answer
    x = 55,467.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.