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Finding the Fourth Proportional to 68,782.29, 94,890.18 and 47,524.65

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Solution

The fourth proportional to 68,782.29, 94,890.18 and 47,524.65 is: 65,563.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,782.29 : 94,890.18 = 47,524.65 : x
  2. Step 2: Convert to fraction form
    68,782.29/94,890.18 = 47,524.65/x
  3. Step 3: Cross multiply
    68,782.29x = 94,890.18 × 47,524.65
  4. Step 4: Simplify right side
    68,782.29x = 4,509,622,592.94
  5. Step 5: Solve for x
    x = 4,509,622,592.94/68,782.29
  6. Step 6: Final answer
    x = 65,563.72

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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.