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Finding the Fourth Proportional to 29,751.91, 44,620.94 and 8,687.50

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Solution

The fourth proportional to 29,751.91, 44,620.94 and 8,687.50 is: 13,029.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,751.91 : 44,620.94 = 8,687.50 : x
  2. Step 2: Convert to fraction form
    29,751.91/44,620.94 = 8,687.50/x
  3. Step 3: Cross multiply
    29,751.91x = 44,620.94 × 8,687.50
  4. Step 4: Simplify right side
    29,751.91x = 387,644,326.42
  5. Step 5: Solve for x
    x = 387,644,326.42/29,751.91
  6. Step 6: Final answer
    x = 13,029.23

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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.