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Finding the Fourth Proportional to 29,687.65, 44,534.40 and 8,627.87

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Solution

The fourth proportional to 29,687.65, 44,534.40 and 8,627.87 is: 12,942.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,687.65 : 44,534.40 = 8,627.87 : x
  2. Step 2: Convert to fraction form
    29,687.65/44,534.40 = 8,627.87/x
  3. Step 3: Cross multiply
    29,687.65x = 44,534.40 × 8,627.87
  4. Step 4: Simplify right side
    29,687.65x = 384,237,092.71
  5. Step 5: Solve for x
    x = 384,237,092.71/29,687.65
  6. Step 6: Final answer
    x = 12,942.66

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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.