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Finding the Fourth Proportional to 47,662.65, 65,764.98 and 28,799.82

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Solution

The fourth proportional to 47,662.65, 65,764.98 and 28,799.82 is: 39,738.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,662.65 : 65,764.98 = 28,799.82 : x
  2. Step 2: Convert to fraction form
    47,662.65/65,764.98 = 28,799.82/x
  3. Step 3: Cross multiply
    47,662.65x = 65,764.98 × 28,799.82
  4. Step 4: Simplify right side
    47,662.65x = 1,894,019,586.30
  5. Step 5: Solve for x
    x = 1,894,019,586.30/47,662.65
  6. Step 6: Final answer
    x = 39,738.03

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.