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Finding the Fourth Proportional to 63,287.60, 94,758.46 and 45,536

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Solution

The fourth proportional to 63,287.60, 94,758.46 and 45,536 is: 68,179.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,287.60 : 94,758.46 = 45,536 : x
  2. Step 2: Convert to fraction form
    63,287.60/94,758.46 = 45,536/x
  3. Step 3: Cross multiply
    63,287.60x = 94,758.46 × 45,536
  4. Step 4: Simplify right side
    63,287.60x = 4,314,921,234.56
  5. Step 5: Solve for x
    x = 4,314,921,234.56/63,287.60
  6. Step 6: Final answer
    x = 68,179.57

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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.